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.

Fog/Mist

36°F

2°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.14 in (1020.8 mb)
Dewpoint 34°F (1°C)
Visibility 2.50 mi
Wind Chill32°F (0°C)
Last update 17 Feb 8:53 am EST
Extended Forecast for

Dunellen NJ

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 47. West wind around 5 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain. High near 44. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 35. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 43. Northeast wind around 5 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 10pm, then a chance of rain and snow. Cloudy, with a low around 33. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Rain. High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance Rain

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 47. West wind around 5 mph.
Tonight
Increasing clouds, with a low around 34. Calm wind.
Wednesday
Rain. High near 44. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 35. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 43. Northeast wind around 5 mph becoming east in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of rain before 10pm, then a chance of rain and snow. Cloudy, with a low around 33. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 41. Chance of precipitation is 80%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dunellen NJ
 40.61°N 74.47°W (Elev. 220 ft)
Last Update:
4:13 am EST Feb 17, 2026
Forecast Valid:
9am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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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