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

37°F

3°C

Humidity 59%
Wind Speed Calm
Barometer 30.08 in (1018.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 13 Jan 9:53 am EST
Extended Forecast for

South Plainfield NJ

  • Today

    Today: Increasing clouds, with a high near 48. Southwest wind 5 to 10 mph.

    High: 48 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of rain after 1am. Mostly cloudy, with a low around 37. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain after 1pm. Cloudy, with a high near 49. Southwest wind around 5 mph. Chance of precipitation is 30%.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 29. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of rain and snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a high near 35. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 48. Southwest wind 5 to 10 mph.
Tonight
A slight chance of rain after 1am. Mostly cloudy, with a low around 37. Southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain after 1pm. Cloudy, with a high near 49. Southwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 29. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a high near 35. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 20.
M.L.King Day
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Plainfield NJ
 40.58°N 74.42°W (Elev. 89 ft)
Last Update:
4:10 am EST Jan 13, 2026
Forecast Valid:
9am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation