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

22°F

-6°C

Humidity 46%
Wind Speed S 10 mph
Barometer 30.51 in (1033.0 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 21 Jan 10:53 am EST
Extended Forecast for

Windsor NJ

  • Today

    Today: Mostly sunny, with a high near 36. South wind 5 to 10 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 29. South wind around 10 mph.

    Low: 29 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind around 5 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.

    Low: 10 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Snow. High near 19. Chance of precipitation is 80%.

    High: 19 °F

    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 36. South wind 5 to 10 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 29. South wind around 10 mph.
Thursday
Mostly sunny, with a high near 44. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind around 5 mph.
Friday
Partly sunny, with a high near 34. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Partly sunny, with a high near 18.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.
Sunday
Snow. High near 19. Chance of precipitation is 80%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Monday
A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Windsor NJ
 40.21°N 74.64°W (Elev. 98 ft)
Last Update:
4:11 am EST Jan 21, 2026
Forecast Valid:
10am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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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