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Daffodils chat with each other in the foreground on April 16th in Franklin Twp. (Somerset County), as two others eavesdrop in the background along with one that couldn't care less.
Daffodils chat with each other in the foreground on April 16th in Franklin Twp. (Somerset County), as two others eavesdrop in the background along with one that couldn't care less. Photo by Dave Robinson.

As has been the case for the past several months, weather patterns have been reluctant to persist for more than several days to about a week. While climatologically rather common as winter transitions to summer, this season has seemingly been consistently inconsistent beyond the norm. April saw temperatures reach well into the 80°s on several days, followed a short time later by a hard freeze in most inland locations. Rainfall was above normal, more than twice so in the northwest, which is a reversal of the general pattern since late fall. Precipitation fell every few days, including multiple squally episodes that briefly delivered small hail, graupel, and bursts of snow at some locations. There was one event that brought some flash flooding and minor river flooding. Many residents are impatiently waiting for some mild conditions to lock in, getting summer underway. Patience….summer will arrive!

The good news is the rainfall that arrived quite often. Increasing concerns for drought encroaching on NJ were washed away by multiple storms that “performed” up to or exceeded expectations, something that was often not the case for multiple underperforming events in past months. Statewide rainfall averaged 5.10”. This is 1.40” above the 1991–2020 normal and ranks as the 24th wettest April since records commenced in 1895. As the monthly map shows, the northwest was wettest and south driest, yet still above normal. The north average 6.34” (+2.44”, 11th wettest), south 4.37” (+0.79”, 32nd wettest), and coast 4.09” (+0.54”, 42nd wettest).

Latest Extremes

City, State Temp
Pews Creek Bridge, NJ 80
Holmdel, NJ 79
Howell, NJ 79
New Brunswick, NJ 79
Mansfield, NJ 79
City, State Temp
Harvey Cedars, NJ 63
Atlantic City Marina, NJ 65
High Point Monument, NJ 65
Greenwich, NJ 66
Upper Deerfield, NJ 66
most current information as of May 27 3:40 PM

Latest Conditions & Forecast

New Brunswick, NJ

Rutgers University Meteorology Program

79°F

Wind

7 mph from the S

Wind Gust

13 mph from the S

T-storms
65 °F
Heavy Rain then Heavy Rain and Patchy Fog
79 °F
T-storms Likely and Patchy Fog
58 °F
Chance Showers then Mostly Clear
78 °F
Sunny
60 °F
Mostly Clear
82 °F
Sunny
68 °F
Mostly Clear
89 °F
Mostly Sunny
63 °F
Partly Cloudy
93 °F
Mostly Sunny
64 °F
Mostly Cloudy
80 °F
Partly Sunny then Chance Showers
65 °F
Chance Showers
85 °F
Chance Showers
°F

This Afternoon

A slight chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 79. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could produce heavy rain. Patchy fog after 2am. Low around 65. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers and thunderstorms likely, mainly between 11am and 1pm. Some of the storms could produce small hail. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 58. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Sunny, with a high near 82. North wind around 5 mph becoming calm.

Sunday Night

Mostly clear, with a low around 60.

Memorial Day

Sunny, with a high near 89.

Monday Night

Mostly clear, with a low around 68.

Tuesday

Mostly sunny, with a high near 93.

Tuesday Night

Partly cloudy, with a low around 63.

Wednesday

Mostly sunny, with a high near 80.

Wednesday Night

Mostly cloudy, with a low around 64.

Thursday

A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

Friday

A chance of showers. Mostly cloudy, with a high near 80.

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When it comes to shedding the winter coat and thinking of warm weather to come, March is known to have its early spring teases. Then, along comes some late winter cold to remind us winter is not quite ready to disappear. This spring foolery was on exceptional display this month. High temperatures jumped into the 70°s on the 6th and 7th, then back to the cold until the 70° mark was again eclipsed during four of the five days from the 15th–19th. Next came some more seasonable temperatures before a polar blast brought mid-winter frigid conditions from the 28th–30th, only to be followed by...

Sunset over a snow-covered field on February 14 at Colonial Park in Franklin Township (Somerset County).

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Spring Foolery: March 2022 Recap

April 6, 2022 - 7:56pm -- Dave Robinson

Damaged magnolia flowers on March 29th at Rutgers University Livingston Campus in Piscataway

When it comes to shedding the winter coat and thinking of warm weather to come, March is known to have its early spring teases. Then, along comes some late winter cold to remind us winter is not quite ready to disappear. This spring foolery was on exceptional display this month. High temperatures jumped into the 70°s on the 6th and 7th, then back to the cold until the 70° mark was again eclipsed during four of the five days from the 15th–19th. Next came some more seasonable temperatures before a polar blast brought mid-winter frigid conditions from the 28th–30th, only to be followed by another day of 70°s to end the month. Interspersed with these wild fluctuations were episodes of thunderstorms, snow and rain, and 13 days where winds gusted to greater than 40 mph at some locations.

When all was said and done, the statewide average temperature of 43.6° was 2.6° above the 1991–2020 normal. This ranked as the 16th mildest March since 1895, with the end-of-month cold spell keeping the month out of the top 10 for warmth. The average maximum of 54.0° was 3.1° above normal, ranking 17th mildest. The average minimum of 33.3° was 2.1° above normal, also ranking 17th. The north averaged 41.1° (+2.3°, 21st warmest), south 45.3° (+2.9°, 15th), and coast 44.9° (+2.7°, 13th).

Precipitation averaged 2.72” across NJ, which was 1.48” below normal and ranks as the 26th driest March since 1895. The north caught 2.54” (-1.47”, 26th driest), south 2.80” (-1.52”, 30th), and coast 3.06” (-1.36”, 34th). In particular, a zone from Hunterdon to Bergen counties was driest and the coast from Atlantic to Monmouth counties was wettest.

Up, Down, Round and Round: February 2022 and Winter 2021/2022 Recaps

March 8, 2022 - 12:53pm -- Dave Robinson

Sunset over a snow-covered field on February 14 at Colonial Park in Franklin Township (Somerset County).

The second month of 2022 and third month of winter continued a theme since December. Whether you call it a see saw, swing, or merry-go-round, it fits the theme of playground equipment as it never seemed any one particular variety of weather became established for all that long. More will be said about winter at the end of this report, but when it came to February, the end result was a somewhat warmer-than-normal month with about average precipitation and a dearth of snowfall. The statewide average temperature of 35.6° was 1.7° above the 1991–2020 normal, ranking as the 19th mildest since 1895. There was an above-average spread between the average high of 46.7° (+3.6°, 12th mildest) and low of 24.4° (-0.2°, 40th mildest), the 22.3-degree range being 3.8 degrees wider than normal. The north averaged 32.0° (+0.7°, 26th mildest), the south 37.7° (+2.2°, 16th mildest), and coast 37.9° (+1.9°, 18th mildest).

Rain and melted snow/sleet averaged 2.93”. This is 0.07” above normal and ranks as the 60th wettest/69th driest. The north averaged 3.45” (+0.66”, 44th wettest), south 2.62” (-0.27”, 49th driest), and coast 2.54” (-0.53”, 44th driest). More geographically specific, the far south was driest and the northwest wettest.

The South Coast Steals the Show: January 2022 Recap

February 8, 2022 - 10:40pm -- Dave Robinson

Severely drifted snow surrounds a car in Brigantine on January 29th.

When it comes to cold and snow, the second month of winter wasn’t anything like the first. New Jersey was right in the heart of winter to start off 2022, and nowhere was that more apparent than in southern coastal counties where far more than an average winter’s snow fell. At some locations, the total exceeded that of the most recent three winters combined. The prevailing storm track was such that the northwest corner of the state received the least snow, yet saw seven days with low temperatures dipping below zero. Toss in 15 days where one or more locations around the state recorded wind gusts of 40 mph or greater (five of these with gusts of at least 50 mph) and two atmospheric pressure waves moving across the state as a result of a volcanic eruption in the south Pacific, and it certainly was an eventful month.

Rain and melted snow averaged 3.45” across the state. This is 0.04” below the 1991–2020 normal and ranks as the 54th wettest (75th driest) January since 1895. The northern counties south to and including Hunterdon, Somerset, and Union averaged 2.90”, 0.60” below normal and 75th wettest (53rd driest). Southern counties, except close to the Atlantic Coast, averaged 3.72”, which is 0.25” above normal and ranks 46th wettest. The coastal region caught 4.34”, which is 0.83” above normal and ranks 31st wettest. Persistent dry conditions in recent months resulted in the southernmost NJ counties deemed “Abnormally Dry” for most of the month, according to the National Drought Monitor. As the month ended, northwestern counties were under consideration for being similarly designated.

Dry Conditions Persist: December 2021 Recap; Another Warm One: Annual 2021 Recap

January 8, 2022 - 1:28pm -- Dave Robinson

Fallstreak photo

Following a cooler-than-normal November, it was back to the mild side in December, the ninth such month in 2021. However, much like November, the last month of 2021 was a top 10 dry one. An annual recap follows the December report where more will be said regarding annual temperature and precipitation.

Statewide precipitation in December was 1.29”. This is 2.98” below the 1991–2020 normal and ranks as the 6th driest since records commenced in 1895. It was the driest December since 1989, which happened to be the coldest December on record. The west-central area received the most precipitation, exceeding 1.80” in some locations, but this was still well below normal. The far south was driest, most places receiving less than an inch. The northern division averaged 1.46”, which is 2.79” below normal and ranked 10th driest. The southern division came in with 1.20”, which is 3.08” below normal and ranks 5th driest. The coastal division with 1.09” was 3.27” below normal and ranked 4th driest.

ONJSC's Top 10 NJ Weather and Climate Events of 2021

January 3, 2022 - 7:18pm -- Dave Robinson

A flooded TD Bank Ballpark in Bridgewater (Somerset County) on September 2nd following the staggering rainfall caused by the remnants of Ida. Photo by Thomas P. Costello and Tariq Zehawi/USA Today Network.

For the 13th consecutive year, we in the state climate office have evaluated the myriad daily, monthly, and annual observations gathered across New Jersey during the course of the year to choose what we feel were the most significant and impactful 10 weather and climate events of 2021. More about each event can be found in the monthly narratives and the special Post-tropical Cyclone Ida report posted on our website. You might be tempted to rearrange the rankings, particularly as some of the events on the list may have affected you more than others ranked higher. Or perhaps you best recall one that didn't make the list. That's the enjoyment and frustration of lists! Unless stated otherwise, statewide values are based on an average of several dozen stations. The period of record for monthly, seasonal, and annual departures is 1991–2020; while for extremes and rankings it is from 1895–present. Observations are mainly drawn from National Weather Service Cooperative Observing Program stations, Rutgers NJ Weather Network stations, and NJ Community Collaborative Rain, Hail, and Snow Network locations.

It’s Been A While: November 2021; A Common Theme: Fall 2021 Recap

December 7, 2021 - 4:32pm -- Dave Robinson

The season’s first measurable snow at High Point on November 15th. Photo courtesy of N. Stefano.

November was the first month since May 2020 with both averages of precipitation and temperature below 1991–2020 normals. The last drier-than-normal month was this past June while the last cooler-than-normal month was this past May. However, it’s been a while, 19 months, since the two anomalies teamed up. And dry it was, with the statewide average of 1.06” running 2.29” below normal. This ranks as the 7th driest November since records commenced in 1895. Only two other Novembers since 1936 fall in the top 10.

The statewide average November temperature of 43.9° was 1.2° below the 1991–2020 normal and ranked as the 73rd coolest of the past 127 years. This was 17.2° cooler than the mild average of this past October. The normal difference between the months is 10.2°. The average maximum was 54.5° (-0.2°, 84th coolest) and the average minimum was 33.2° (-2.3°, 47th coolest). The north averaged 41.9° (-1.2°, 74th coolest), the south 44.9° (-1.4°, 68th coolest), and the coast 46.0° (-1.3°, 70th coolest). The first Rutgers NJWxNet or NWS Cooperative station to reach the freezing point this season was Pequest (Warren County), late on the 2nd. This was the latest first freeze in NJ since at least 1900 (based on Coop records). The last location to reach freezing was West Cape May (Cape May) on the 28th, on the late side but not unusually so.

A Slow Crawl into Fall: October 2021 Recap

November 8, 2021 - 5:43pm -- Dave Robinson

Colorful foliage surrounding Lake Hopatcong (Sussex County) on October 31st, bringing a tranquil close to a turbulent end of October. Photo courtesy of Kelly Wallis.

October was the second mildest on record in the Garden State since records commenced in 1895. This follows on the heels of the 11th warmest September, leaving most residents wondering when cool weather would arrive and leaves would turn and fall. For the first time since at least 1900, not a single weather observing station in New Jersey recorded a freezing low temperature on any day in either September or, as is climatologically most common, October. All of this resulted in a leaf season that was delayed by one to two weeks.

The statewide average October temperature of 61.1° was 5.7° above the 1991–2020 normal, a mark only surpassed in 2007. The average daily maximum of 70.1° (+4.3°) ranked 5th mildest (tied with 1920), and the average minimum of 52.0° (+7.1°) tied with 2007 as the mildest. These temperatures are close to what Norfolk, Virginia, normally experiences in October. In fact, despite the mean temperature normally declining 11.5° from September to October, this year’s mean was warmer than four previous Septembers since 1895 and the minimum was milder than 14 earlier Septembers. The state’s three climate divisions all ranked second mildest, with the north at 59.0° (+5.7°), south 62.3° (+5.8°), and coastal 63.2° (+5.6°).

Unprecedented: September 2021 Recap

October 11, 2021 - 4:38pm -- Dave Robinson

A flooded TD Bank Ballpark in Bridgewater (Somerset County) on September 2nd following the staggering rainfall caused by the remnants of Ida. Photo by Thomas P. Costello and Tariq Zehawi/USA Today Network.

Post-tropical storm Ida. The title of this month’s report speaks to this momentous weather extreme that will forever be the defining event of this month and likely the entire year. The storm delivered the most powerful tornado to strike the Garden State since 1990, demolishing multiple homes in Gloucester County. Rainfall exceeding 3.00” per hour led to the most widespread flash flood event on record for the state, resulting in the tragic deaths of 30 individuals in central and northeastern locales. A separate report on Ida has been prepared and may be accessed in the "News" menu.

There were 29 other days of weather this month that fortunately were not as dramatic as Ida on the 1st. All told, monthly precipitation averaged 6.20” across NJ. This was 2.04” above the 1991–2020 normal and ranks as the 15th wettest September since 1895. The north, where the bulk of Ida’s rain fell, averaged 8.92”, which was 4.46” above normal and ranks 7th wettest. The south averaged 4.61”, which was 0.62” above normal and ties as the 31st wettest. Along the coast, only 3.81” fell, some 0.08” below normal and ranking 44th wettest.

Ida Remnants Strike New Jersey

October 6, 2021 - 2:59pm -- Dave Robinson

Photo of flood debris from business establishments on Main Street in Manville on September 7 (photo credit: M. Holzer).

Post tropical storm Ida moved across the Garden State during the afternoon of September 1st into the early hours of the 2nd. It brought with it torrential rainfall, leading to flash and river flooding that took the lives of approximately 30 individuals and the rescue of countless more from raging waters. Additionally, it brought three tornadoes to southwestern and central areas, including the first EF-3 twister to strike New Jersey in 31 years. There were only minor injuries and no deaths from the tornadoes.

Ida developed in the Caribbean, being named a tropical storm on August 26th. From there, it moved northwestward, attaining hurricane status on the 27th as it passed over extreme western Cuba and moved into the Gulf of Mexico. It maintained a steady course as it strengthened into a major category 4 hurricane, making landfall in Louisiana on the 29th with sustained one-minute wind speeds as high as 150 mph. Once inland, winds diminished rather quickly but rainfall associated with the tempest remained heavy as the storm began to curve toward the northeast. This track remained quite steady as the storm weakened to a tropical depression on the 30th and became an extratropical low-pressure system as it approached the central Appalachians. On September 1st, Ida’s remnants merged with an advancing cold front as the system entered the Mid-Atlantic and crossed New Jersey before moving into southeast New England on the 2nd.

Sticky: August 2021 and Summer 2021 Recaps

September 10, 2021 - 6:30pm -- Dave Robinson

Flash flooding and residential evacuations in Helmetta on August 22

Whether the thermometer was reading high or low this August or whether rain was falling or not, one factor that most always had to be considered was the high level of humidity. The “Dog Days” of summer indeed. Of course, there was much else to consider this month, including contributions of rain from two tropical storms, one of which brought the largest crests on some rivers since May 1, 2014, 11 days where one or more locations received at least 2.00” of rain, and 16 days where the high temperature reached 90° or higher somewhere in the state.

Adding up all the rainfall, the statewide monthly average was 6.87”. This is 2.30” above the 1991–2020 normal and ranks as the 15th wettest August since 1895. The northern climate division led the way with 7.89” (+3.33”, 11th wettest), followed by the coastal area with 6.65” (+2.05”, 21st wettest), and the southern division at 6.21” (+1.64”, 27th wettest).

The statewide average temperature of 75.9° is 2.3° degrees above normal and ranks 4th warmest. Seven of the top 10 and 13 of the warmest 20 have occurred this century. The warmth was most strongly a function of elevated nighttime temperatures, which, for NJ, averaged 66.9°. This is 3.6° above normal and ranks 2nd warmest. The maximum temperature averaged 84.9°, some 1.1° above normal and ranks 18th warmest.

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