National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm Anticipated Sunday into Monday

Potentially significant snowfall is forecast from a winter storm Sunday into Monday. View the latest briefing here. Read More >

Hazardous Weather Conditions

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Overcast

44°F

7°C

Humidity 60%
Wind Speed NW 3 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 21 Feb 5:53 pm EST
Extended Forecast for

Dunellen NJ

Blizzard Warning February 22, 10:00am until February 23, 06:00pm
Coastal Flood Warning February 22, 09:00pm until February 23, 05:00am
Click here for hazard details and duration
Blizzard Warning
Coastal Flood Warning

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 4pm. High near 36. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 36 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow after 2am. Low around 30. Blustery, with a north wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    Low: 30 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. Areas of blowing snow before 10am. High near 34. Breezy, with a north wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Snow and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Areas of blowing snow between 10pm and 11pm. Mostly cloudy, with a low around 22. Northwest wind 10 to 15 mph.

    Low: 22 °F

    Areas Blowing
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Low: 18 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Calm wind.
Sunday
Snow, possibly mixed with rain, becoming all snow after 4pm. High near 36. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow after 2am. Low around 30. Blustery, with a north wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Monday
Snow, mainly before 1pm. Areas of blowing snow before 10am. High near 34. Breezy, with a north wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Areas of blowing snow between 10pm and 11pm. Mostly cloudy, with a low around 22. Northwest wind 10 to 15 mph.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Wednesday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 40%.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly sunny, with a high near 43. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dunellen NJ
 40.59°N 74.48°W (Elev. 72 ft)
Last Update:
4:16 pm EST Feb 21, 2026
Forecast Valid:
6pm EST Feb 21, 2026-6pm EST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation