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

37°F

3°C

Humidity 93%
Wind Speed Calm
Barometer 30.33 in (1027.2 mb)
Dewpoint 35°F (2°C)
Visibility 1.75 mi
Last update 7 Mar 2:53 am EST
Extended Forecast for

South Plainfield NJ

  • Overnight

    Overnight: A slight chance of rain after 4am. Patchy fog. Otherwise, cloudy, with a low around 37. Calm wind. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before noon. Otherwise, cloudy, with a high near 48. Calm wind becoming southwest around 5 mph.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly between 10pm and 2am. Mostly cloudy, with a low around 47. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers before 1pm. Mostly cloudy, with a high near 64. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. West wind around 5 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Partly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A slight chance of rain after 4am. Patchy fog. Otherwise, cloudy, with a low around 37. Calm wind. Chance of precipitation is 20%.
Saturday
Patchy fog before noon. Otherwise, cloudy, with a high near 48. Calm wind becoming southwest around 5 mph.
Saturday Night
Showers likely, mainly between 10pm and 2am. Mostly cloudy, with a low around 47. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 64. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 41. West wind around 5 mph.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 72.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly cloudy, with a high near 48.
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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:
12:17 am EST Mar 7, 2026
Forecast Valid:
3am EST Mar 7, 2026-6pm EDT Mar 13, 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