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The Great Swamp National Wildlife Refuge (Morris County) on August 24th. While August 22nd rain proved beneficial, the water level is normally higher. Photo taken by D. Robinson.
The Great Swamp National Wildlife Refuge (Morris County) on August 24th. While August 22nd rain proved beneficial, the water level is normally higher. Photo taken by D. Robinson.

Much like this past July, August was a hotter and drier month than normal. Despite a June with rather close-to-normal numbers, the two most recent months brought the summer temperature and precipitation to top-10 levels for hot and dry conditions. More on summer ’22 later in this report, but first to discuss is a record hot and quite dry August.

The August average temperature of 77.4° was 3.8° above the 1991–2020 normal, ranking as the hottest on record. Eight of the ten warmest Augusts since 1895 have occurred since 2001. The average maximum of 88.5° was 4.7° above normal, the hottest on record, while the average minimum of 66.2° was 2.9° above normal, tied for 5th warmest. North Jersey averaged 75.7° (+3.8°, warmest on record), the south 78.4° (+3.8°, warmest on record), and the coast 77.9° (+3.2°, 3rd warmest).

Statewide, August precipitation averaged 2.61”, which is 1.96” below normal, ranking as the 22nd driest. The north came in at 2.31” (-2.25”, 18th driest), south 2.82” (-1.75”, 29th driest), and coast 2.54” (-2.06”, 25th driest). As the map shows, virtually the entire state had a monthly total below the statewide 4.57” normal. Exceptions were found in isolated west central and central coastal areas where several storms quickly deposited hefty totals. Less than half the normal monthly rainfall fell in a good portion of the north and in scattered areas of the south and north coast.

Latest Extremes

City, State Temp
Point Pleasant, NJ 60
Harvey Cedars, NJ 58
Atlantic City Marina, NJ 57
Seaside Heights, NJ 57
Little Egg Harbor Twp., NJ 57
City, State Temp
Vernon Twp., NJ 42
High Point Monument, NJ 44
Hackettstown, NJ 46
High Point, NJ 47
Pittstown, NJ 47
most current information as of Oct 4 1:35 PM

Latest Conditions & Forecast

New Brunswick, NJ

Rutgers University Meteorology Program

51°F

Wind

8 mph from the NNE

Wind Gust

15 mph from the NNE

Rain
55 °F
Rain
52 °F
Rain Likely
59 °F
Mostly Cloudy then Patchy Fog
49 °F
Patchy Fog then Mostly Sunny
73 °F
Partly Cloudy then Patchy Fog
51 °F
Patchy Fog then Sunny
74 °F
Mostly Clear
44 °F
Sunny
60 °F
Mostly Clear
41 °F
Sunny
63 °F
Mostly Clear
44 °F
Sunny
66 °F

This Afternoon

Periods of rain and possibly a thunderstorm. High near 55. North wind around 15 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

Periods of rain and possibly a thunderstorm. Low around 52. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Rain and thunderstorms likely before 2pm, then a chance of rain. Cloudy, with a high near 59. North wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Patchy fog after 5am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 49. North wind around 5 mph becoming calm.

Thursday

Patchy fog before 8am. Otherwise, sunny, with a high near 73. Calm wind.

Thursday Night

Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.

Friday

Patchy fog before 8am. Otherwise, sunny, with a high near 74.

Friday Night

Mostly clear, with a low around 44.

Saturday

Sunny, with a high near 60.

Saturday Night

Mostly clear, with a low around 41.

Sunday

Sunny, with a high near 63.

Sunday Night

Mostly clear, with a low around 44.

Columbus Day

Sunny, with a high near 66.

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Trees and grass impacted by excessively dry conditions on Livingston Campus at Rutgers University in Piscataway (Middlesex County). Photo taken by D. Robinson on August 1st.

When it comes to recent hot Julys in New Jersey, the beat goes on. This year the heat was joined by quite limited precipitation, something not often seen in recent years. The statewide average temperature of 78.1° was 2.7° above the 1991–2020 normal, ranking 6th warmest since records commenced in 1895. Eight of the ten warmest Julys have occurred since 2010, leaving only 1955 and 1999 as top-ten outliers. The statewide average maximum was 88.6° (+2.9°, 6th warmest) and the minimum 67.5° (+2.4°, 4th warmest). Northern counties averaged 75.9° (+2.2°, 9th warmest), southern counties 79.5° (+3....

Smoke billows from a large wildfire in the Wharton State Forest around June 20th. Photo from the New Jersey Forest Fire Service.

As reported multiple times during the first half of 2022, the day-to-day weather and overall climate of the Garden State have varied frequently, exhibiting lots of variability and never “locking” into a given pattern for an extended period of several weeks or longer. Such was the case this June, making it difficult to define any conditions that dominated. June was somewhat drier than average, but eight events brought over an inch of rain somewhere within the state. It was also dry enough at one point for a wildfire to scorch over 13,000 acres of the Pine Barrens. Low temperatures fell into...

Large hailstone from severe thunderstorm in Cherry Hill on May 20.

Many across NJ wondered if the incessant back and forth of weather conditions from early spring into May would ever cease and the more consistent warmth of late spring would arrive and persist. It took time this year, with a cool, damp start to May that included a nine-day interval of almost continuous onshore easterly flow. Come mid-month the seasonal transition was finally complete, and daytime highs mostly remained above 70° away from the coast and higher elevations. This included two episodes where temperatures exceeded 90°. Whether it was cool or warm, rainfall was rather plentiful...

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ONJSC's Top 10 NJ Weather and Climate Events of 2014

January 4, 2015 - 12:00pm -- Dave Robinson

Snow removal at Metlife Stadium

Listed below is the Office of the NJ State Climatologist's ranking of the top 10 weather and climate events of 2014. More about each event can be found in the monthly narratives posted on njclimate.org. You might be tempted to rearrange the rankings, particularly as some of the events may have affected you more than others higher on the list. That's the enjoyment (and frustration!) of lists. This was the second consecutive year that was not too eventful for NJ weather and climate (goodness, we remain stunned by 2011 and 2012). Of course there is still plenty to talk about.

Winter Weather Trends: El Niño in New Jersey

December 19, 2014 - 4:41pm -- Jack McCarty

Global Sea Surface Temperature Anomalies

As we have mentioned in our past evaluations of the El Niño’s significance in the summer and fall, we are back again to analyze the wintertime impacts of a developing El Niño on New Jersey weather. An El Niño occurs when warmer-than-average waters exist in the central and eastern Pacific Ocean, specifically near the equatorial latitudes. This warming is due to a weakening of winds moving to the west, which typically transport warmer waters to the western Pacific, permitting cooler water to upwell to the surface in the east. When these winds are weaker or if they reverse direction, warm water stays in the east. The warmer sea surface temperatures in the east and the altered atmospheric flow pattern create a new dynamic between the ocean and atmosphere. The newly formed interaction sets up distinct and repetitive weather patterns across the world. No two El Niño events are alike; they vary depending on the magnitude and location of where the largest temperature anomalies are found. However, each one tends to alter weather patterns outside the overall norm.

A Cool Damp Month, and All Things Considered, a Rather Average Season: November and Fall 2014 Recap

December 7, 2014 - 7:32pm -- Dave Robinson

Wantage snow Nov 27

While cooler conditions took some time to arrive in New Jersey this fall, once here they locked in for the most part, as the November average temperature of 41.9° was 3.7° below the 1981-2010 average. This ranks as the 24th coolest November of the past 120 years. November precipitation (rain and melted snow) averaged 4.58" across the state. This is 0.94" above average and ranks as 31st wettest. On two occasions measurable snow was reported in northern and central areas, with these regions, respectively, picking up 4.6" and 1.9" on average for the month, with over a foot accumulating at higher elevations. Despite no snow accumulating in the south, the statewide average was 1.7", which is 1.3" above average. It is only the second November to average above an inch since 1995, the other in 2012. A Thanksgiving eve storm delivered a white Thanksgiving to central and northern counties.

Mild With Some Beneficial Rain: October 2014 Recap

November 3, 2014 - 4:57pm -- Dave Robinson

Waterspout photo

The tenth month of 2014 bucked the recent tendency toward dry conditions in northern New Jersey and proved to be the warmest month compared to normal since October 2013. Statewide, the October average temperature of 57.0° was 2.2° above the 1981-2010 average. This ranks as the 23rd warmest (tied with 1955) in 120 years (since records began in 1895). The average precipitation across NJ was 3.78". This is 0.15" below the mean and ranks as the 51st wettest October. Rainfall was above average in what have been some of the driest northern counties since mid summer. Still, from Mercer and Middlesex counties northward, precipitation has only been 50-75% of normal the past three months. Thus this area is still considered "abnormally dry" on the US Drought Monitor map.

El Niño Potential: Fall Impacts

October 15, 2014 - 10:12pm -- Jack McCarty

Sea Surface Temperature Anomalies

Early this past summer, we reported on the potential impacts of a developing El Niño event in the tropical Pacific on summertime weather in New Jersey. While El Niños can impact the weather worldwide, we found that New Jersey's weather doesn't fluctuate with an El Niño event. This year's summer (June-August) proved to be rather comfortable, with the statewide average temperature 0.8° below the 1981-2010 average , and precipitation 0.26” above the 1981-2010 average. These mild conditions replicated what we expect out of an El Niño summer. Now we’re back to tell you the story for the fall.

Increasingly Dry in the North: September 2014 Recap

October 6, 2014 - 3:04pm -- Dave Robinson

Dry grass

Combined with below-average precipitation in August, the northern half of New Jersey has become quite dry. Conversely, rainfall has been more common in the south, thus despite a drier-than-average September, the two-month total is slightly above average. Looking first at September, statewide precipitation averaged 2.82". This is 1.25" below the 1981-2010 average and ranks as the 46th driest September since 1895. From Hunterdon, Somerset, and Union counties northward, only 1.49" fell, which is 3.00" below average and ranks as 7th driest. The southern counties averaged 3.47", which is 0.40" below average and ranks as 56th wettest.

Heat Events in New Brunswick: A Climatological Analysis

September 16, 2014 - 1:27pm -- Jack McCarty

Heat wave photo

The summertime in New Jersey is characterized by warm temperatures that give some relief from cold and dreary wintertime conditions. However, amongst pleasant summer days, the atmosphere can align in a way that makes the heat on other days rather unbearable — something that we commonly refer to as a heat wave. Heat waves have a large impact on public health, utilities, infrastructure and more, which is why we often hear the media discussing heat waves across the nation. While heat waves may call for a day at the beach, they're also a cause for public concern.

Comfort Reigns: August and Summer of 2014 Recaps

September 3, 2014 - 5:50pm -- Dave Robinson

Surf photo

A month ago, many NJ residents felt July was quite cool, while in fact it was just 0.4° below the 1981-2010 mean. Such was not the case in August, which truly was on the cool side. The statewide average temperature of 71.0° was 2.4° below average. It ranks as the 32nd coolest since 1895. Even when compared to the 1895-present mean, the month was 1.5° below average. Days with a maximum temperature of 90° or greater were hard to find, certainly a characteristic of the summer of 2014, which will be discussed later in this narrative.

Precipitation varied widely across the Garden State in August, rather typical of a summer month in these parts. Individual station totals ranged from 12.33” in Lacey Township (Ocean County) to 1.01” in Hillsborough (Somerset). When monthly totals from several dozen long-term stations were averaged together, the statewide precipitation was 4.39”. This is 0.18” above the 1981-2010 mean (0.26” below the 1895-present mean) and ranks as the 53rd wettest of the past 120 Augusts. It must be noted that the heavy rain that fell after 8 AM on the 31st is not accounted for in most August station totals. For the monthly state average, only several stations that observe at midnight have their full August 31st totals included, while monthly totals at most other National Weather Service Cooperative stations only run through the morning of the 31st. For more on this observing practice, see the April 2014 report.

New Jersey Hurricane Hunting: A brief recap of a small state’s big hurricane history

August 21, 2014 - 1:35pm -- Tom Karmel

Doria flooding photo

With more than a third of the 2014 Atlantic hurricane season behind us, many may assume this season has been quiet. However, the two hurricanes already named mark the first time since 1992 when the first two named storms have reached hurricane strength and the first time there have been two hurricanes by this date since 2008. With the peak of the tropical season yet to come, the question is whether the heart of the season will be active or quiet. The National Weather Service’s Climate Prediction Center recently updated their seasonal forecast, projecting only a 5% chance of an active season and 70% chance of a less than normal one. Still, it only takes one storm to seriously impact NJ, so we can never let our guard down. With this in mind, here is a brief history of memorable tropical cyclones affecting New Jersey and a summary of the frequency of storms through the hurricane season.

Mid-Atlantic Deluge

August 13, 2014 - 5:40pm -- Dave Robinson

Rainfall estimate map

Extremely heavy rain drenched portions of the Mid-Atlantic during the daytime hours on August 12 until after sunrise on the 13th. Starting off in the Washington-Baltimore area and moving up into central Long Island, a narrow ribbon of rainfall exceeding 5”, and over 10” in a few locales, resulted in flash flooding that resulted in water rescues and many damaged roads and vehicles. Excessively heavy rains, occasionally accompanied by lightning, traveled up a frontal boundary that was associated with an unusually strong August low-pressure system situated over the Great Lakes. The atmospheric impulses riding up this front joined forces with abundant atmospheric moisture (in the top 1% for the region) to bring multiple inches per hour rainfall rates…for multiple hours.

The heaviest rain was situated within less than a 10-mile wide path. Within 20 miles on either side, totals fell off to a mere inch or two, or even less. Such is the nature of these events, where despite the abundant atmospheric moisture, there is a finite amount of water available. The dynamics concentrated the atmospheric lifting, thus the condensation of the majority of the moisture and resultant rainfall, while adjacent areas balanced out the lifted air with subsiding air that greatly limited rainfall totals.

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