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

42°F

6°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 30.35 in (1027.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 10 Oct 5:53 am EDT
Extended Forecast for

Dunellen NJ

  • Today

    Today: Partly sunny, with a high near 70. Calm wind becoming east around 5 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Calm wind becoming east around 5 mph after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 11am. High near 63. East wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Rain

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms after 2am. Low around 59. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Rain

  • Columbus Day

    Columbus Day: A chance of rain and thunderstorms before 8am. Partly sunny, with a high near 72. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 70. Calm wind becoming east around 5 mph.
Tonight
Mostly cloudy, with a low around 54. Calm wind becoming east around 5 mph after midnight.
Sunday
Rain, mainly after 11am. High near 63. East wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms after 2am. Low around 59. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
A chance of rain and thunderstorms before 8am. Partly sunny, with a high near 72. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 56.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 64.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
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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:
4:09 am EDT Oct 10, 2026
Forecast Valid:
6am EDT Oct 10, 2026-6pm EDT Oct 16, 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