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 91%
Wind Speed Calm
Barometer 29.93 in (1013.4 mb)
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Heat Index76°F (24°C)
Last update 10 Jul 7:53 pm EDT
Extended Forecast for

South Plainfield NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 71. Calm wind.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
South Plainfield NJ
 40.58°N 74.42°W (Elev. 89 ft)
Last Update:
4:11 pm EDT Jul 10, 2025
Forecast Valid:
8pm EDT Jul 10, 2025-6pm EDT Jul 17, 2025
 
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