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.

A Few Clouds

81°F

27°C

Humidity 29%
Wind Speed SW 9 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Mar 1:53 pm EDT
Extended Forecast for

Dunellen NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Southwest wind around 10 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 56. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of rain showers before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 59. Breezy, with a northwest wind 15 to 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 59 °F

    Chance
    Showers and
    Breezy then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 56. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain showers before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 59. Breezy, with a northwest wind 15 to 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A chance of snow showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Cloudy, with a high near 56.
Sunday Night
Rain. Low around 45. Chance of precipitation is 90%.
Monday
Rain. High near 56. Chance of precipitation is 80%.
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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:
4:08 am EDT Mar 10, 2026
Forecast Valid:
2pm EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation