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

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Overcast

33°F

1°C

Humidity 89%
Wind Speed Calm
Barometer 30.51 in (1033.4 mb)
Dewpoint 30°F (-1°C)
Visibility 8.00 mi
Last update 3 Mar 10:53 am EST
Extended Forecast for

Dunellen NJ

  • Today

    Today: Rain, possibly mixed with snow, becoming all rain after 2pm. Patchy fog. High near 35. East wind around 5 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow and
    Patchy Fog

  • Tonight

    Tonight: Rain, mainly before 2am. Patchy fog before midnight. Low around 35. Calm wind becoming southwest around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain and
    Patchy Fog
    then Rain
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Calm wind becoming north around 5 mph.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Cloudy, with a high near 48. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, possibly mixed with snow, becoming all rain after 2pm. Patchy fog. High near 35. East wind around 5 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 2am. Patchy fog before midnight. Low around 35. Calm wind becoming southwest around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 53. Calm wind becoming north around 5 mph.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 1pm. Cloudy, with a high near 48. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Dunellen NJ
 40.59°N 74.48°W (Elev. 72 ft)
Last Update:
11:11 am EST Mar 3, 2026
Forecast Valid:
11am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation