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

Hazardous Weather Conditions

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Freezing Fog

24°F

-4°C

Humidity 88%
Wind Speed Calm
Barometer 30.10 in (1019.4 mb)
Dewpoint 21°F (-6°C)
Visibility 0.25 mi
Last update 17 Jan 11:53 pm EST
Extended Forecast for

South Plainfield NJ

Winter Weather Advisory January 18, 06:00am until January 18, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A chance of snow, mainly after 4am. Areas of dense fog before 1am. Otherwise, cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    and Areas
    Dense Fog

  • Sunday

    Sunday: Snow likely, mainly after 10am. Cloudy, with a high near 34. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 20. West wind 5 to 10 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 33. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow, mainly after 4am. Areas of dense fog before 1am. Otherwise, cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 10am. Cloudy, with a high near 34. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 20. West wind 5 to 10 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
M.L.King Day
Mostly sunny, with a high near 33. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 14. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Mostly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Plainfield NJ
 40.58°N 74.42°W (Elev. 89 ft)
Last Update:
8:24 pm EST Jan 17, 2026
Forecast Valid:
12am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation