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

50°F

10°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in (1013.4 mb)
Dewpoint 50°F (10°C)
Visibility 5.00 mi
Last update 13 Oct 3:53 am EDT
Extended Forecast for

Dunellen NJ

  • Today

    Today: Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. West wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. North wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68. North wind around 5 mph becoming calm in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53. Breezy.

    High: 53 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 81. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 56. North wind around 5 mph.
Thursday
Sunny, with a high near 68. North wind around 5 mph becoming calm in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Sunny, with a high near 53. Breezy.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dunellen NJ
 40.59°N 74.48°W (Elev. 72 ft)
Last Update:
4:09 am EDT Oct 13, 2026
Forecast Valid:
4am EDT Oct 13, 2026-6pm EDT Oct 19, 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