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

76°F

24°C

Humidity 64%
Wind Speed S 8 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Oct 4:53 pm EDT
Extended Forecast for

South River NJ

  • Tonight

    Tonight: Clear, with a low around 65. Southwest wind 5 to 10 mph.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 2pm. Mostly sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 83 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. North wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. North wind around 5 mph becoming east in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 54. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Slight Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers before 8pm. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Tonight
Clear, with a low around 65. Southwest wind 5 to 10 mph.
Wednesday
A slight chance of showers between 1pm and 2pm. Mostly sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 55. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 67. North wind around 5 mph becoming east in the afternoon.
Thursday Night
Showers, mainly after 2am. Low around 54. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers before 8pm. Low around 44. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 53.
Saturday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South River NJ
 40.45°N 74.39°W (Elev. 75 ft)
Last Update:
4:09 pm EDT Oct 13, 2026
Forecast Valid:
5pm EDT Oct 13, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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