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

30°F

-1°C

Humidity 69%
Wind Speed Calm
Barometer 30.58 in (1035.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 3 Mar 2:53 am EST
Extended Forecast for

Dunellen NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, snow, and freezing rain before 11am, then rain, possibly mixed with snow between 11am and noon, then rain after noon. Patchy fog after 7am. High near 40. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Little or no snow accumulation expected.

    High: 40 °F

    Wintry Mix
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Rain, mainly before 3am. Patchy fog. Low around 36. Calm wind becoming west around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. Calm wind.

    High: 53 °F

    Mostly Cloudy

  • 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. 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%.

    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
Rain, snow, and freezing rain before 11am, then rain, possibly mixed with snow between 11am and noon, then rain after noon. Patchy fog after 7am. High near 40. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Tuesday Night
Rain, mainly before 3am. Patchy fog. Low around 36. Calm wind becoming west around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy, with a high near 53. Calm wind.
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. 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%.
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. 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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dunellen NJ
 40.59°N 74.48°W (Elev. 72 ft)
Last Update:
2:37 am EST Mar 3, 2026
Forecast Valid:
3am EST Mar 3, 2026-6pm EDT Mar 9, 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