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.

Fair

71°F

22°C

Humidity 27%
Wind Speed Vrbl 6 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 9 Mar 1:53 pm EDT
Extended Forecast for

Dunellen NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Southwest wind around 10 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. South wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 70. Light southeast wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Mostly clear, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Southwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 43. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. Calm wind.
Wednesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 70. Light southeast wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 8pm. Mostly clear, with a low around 31. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 49.
Friday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A chance of showers. Cloudy, with a high near 53. Chance of precipitation is 30%.
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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:
6:15 am EDT Mar 9, 2026
Forecast Valid:
2pm EDT Mar 9, 2026-6pm EDT Mar 15, 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