National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

58°F

14°C

Humidity 38%
Wind Speed Calm
Barometer 29.93 in (1013.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 17 Oct 5:53 pm EDT
Extended Forecast for

South Plainfield NJ

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 54. South wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 68. Calm wind.
Saturday Night
Partly cloudy, with a low around 49. Calm wind.
Sunday
Mostly sunny, with a high near 77. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers. Low around 54. South wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 69.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Plainfield NJ
 40.59°N 74.45°W (Elev. 75 ft)
Last Update:
4:09 pm EDT Oct 17, 2025
Forecast Valid:
6pm EDT Oct 17, 2025-6pm EDT Oct 24, 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