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

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 56°F (13°C)
Visibility 8.00 mi
Last update 25 Aug 12:53 am EDT
Extended Forecast for

South Plainfield NJ

  • Overnight

    Overnight: Mostly clear, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Isolated showers after 3pm. Sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 81 °F

    Sunny then
    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming west around 5 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. West wind around 5 mph.
Tuesday
Isolated showers after 3pm. Sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 84. Calm wind becoming west around 5 mph.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 68. Chance of precipitation is 80%.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 86.
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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:
4:09 pm EDT Aug 24, 2026
Forecast Valid:
1am EDT Aug 25, 2026-6pm EDT Aug 31, 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