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

54°F

12°C

Humidity 90%
Wind Speed Calm
Barometer 30.42 in (1030.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 10:53 pm EDT
Extended Forecast for

Dunellen NJ

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Calm wind becoming east around 5 mph after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly after 10am. High near 64. East wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 64 °F

    Rain Likely
    then Rain

  • Sunday Night

    Sunday Night: Rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly between 2am and 3am. Low around 58. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 58 °F

    Showers then
    Showers
    Likely

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. Calm wind becoming east around 5 mph after midnight.
Sunday
Rain, mainly after 10am. High near 64. East wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly between 2am and 3am. Low around 58. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 59.
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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:
4:10 pm EDT Oct 10, 2026
Forecast Valid:
11pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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