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

55°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 29.98 in (1015.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Oct 4:53 am EDT
Extended Forecast for

South Plainfield NJ

  • Overnight

    Overnight: Showers likely. Cloudy, with a low around 54. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 79. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 4am, then a chance of showers. Mostly cloudy, with a low around 47. West wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 53. North wind around 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. North wind 5 to 10 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

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

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 54. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 5pm. High near 79. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 4am, then a chance of showers. Mostly cloudy, with a low around 47. West wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 53. North wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 35. North wind 5 to 10 mph.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Plainfield NJ
 40.58°N 74.42°W (Elev. 89 ft)
Last Update:
4:09 am EDT Oct 16, 2026
Forecast Valid:
4am EDT Oct 16, 2026-6pm EDT Oct 22, 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