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

22°F

-6°C

Humidity 89%
Wind Speed Calm
Barometer 30.11 in (1019.8 mb)
Dewpoint 19°F (-7°C)
Visibility 0.25 mi
Last update 17 Jan 8:53 pm EST
Extended Forecast for

South Plainfield NJ

Winter Weather Advisory January 18, 06:00am until January 18, 08:00pm
Dense Fog Advisory until January 18, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 18, 12:00am

    NOW until 12:00am Sun

    Dense Fog Advisory

  • Tonight

    Low: 30 °F

    Areas Dense
    Fog then
    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

Detailed Forecast

Tonight
A chance of snow, mainly after 4am. Areas of dense fog before 1am. Otherwise, mostly 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.
Basemap Options
Click map to change the forecast location
Loading map...
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:
9pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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