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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

13°F

-11°C

Humidity 51%
Wind Speed SW 3 mph
Barometer 30.50 in (1032.5 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 20 Jan 9:53 pm EST
Extended Forecast for

3 Miles SE Sergeantsville NJ

  • Tonight

    Tonight: Mostly clear, with a low around 1. West wind around 5 mph becoming calm in the evening.

    Low: 1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 32. Light south wind increasing to 5 to 10 mph in the morning.

    High: 32 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow. Cloudy, with a low around 9. Chance of precipitation is 50%.

    Low: 9 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 1. West wind around 5 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 32. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 26. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 17.
Saturday Night
A chance of snow. Cloudy, with a low around 9. Chance of precipitation is 50%.
Sunday
Snow likely. Cloudy, with a high near 19. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sergeantsville NJ
 40.42°N 74.92°W (Elev. 200 ft)
Last Update:
4:10 pm EST Jan 20, 2026
Forecast Valid:
10pm EST Jan 20, 2026-6pm EST Jan 27, 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