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.

Overcast

43°F

6°C

Humidity 93%
Wind Speed Calm
Barometer 30.24 in (1024.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 4 Mar 9:53 pm EST
Extended Forecast for

South Plainfield NJ

  • Tonight

    Tonight: A chance of rain, mainly after 5am. Patchy fog before 10pm, then patchy fog after midnight. Otherwise, cloudy, with a low around 37. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain, mainly before 5pm. Patchy fog between 2pm and 3pm. High near 44. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain and
    Areas Fog

  • Thursday Night

    Thursday Night: Rain, mainly after 7pm. Low around 37. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: A slight chance of showers before 1pm. Cloudy, with a high near 43. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after 1am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers

  • Saturday

    Saturday: Cloudy, with a high near 60.

    High: 60 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain, mainly after 5am. Patchy fog before 10pm, then patchy fog after midnight. Otherwise, cloudy, with a low around 37. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before 5pm. Patchy fog between 2pm and 3pm. High near 44. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly after 7pm. Low around 37. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A slight chance of showers before 1pm. Cloudy, with a high near 43. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly after 1am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 30%.
Saturday
Cloudy, with a high near 60.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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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 pm EST Mar 4, 2026
Forecast Valid:
9pm EST Mar 4, 2026-6pm EDT Mar 11, 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