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

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Snow Fog/Mist

32°F

0°C

Humidity 96%
Wind Speed N 5 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 31°F (-1°C)
Visibility 1.00 mi
Wind Chill27°F (-3°C)
Last update 18 Jan 1:53 pm EST
Extended Forecast for

Windsor NJ

Winter Weather Advisory January 18, 02:34pm until January 18, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 02:34pm until January 18, 08:00pm

    NOW until 8:00pm Sun

    Winter Weather Advisory

  • This Afternoon

    High: 35 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Snow likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 18. West wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Snow Likely
    then Mostly
    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 34. Southwest wind 5 to 15 mph.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. West wind 10 to 15 mph.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 23. West wind 10 to 15 mph.

    High: 23 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7.

    Low: 7 °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 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow likely, possibly mixed with rain. Cloudy, with a high near 35. North wind around 5 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 18. West wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
M.L.King Day
Sunny, with a high near 34. Southwest wind 5 to 15 mph.
Monday Night
Partly cloudy, with a low around 11. West wind 10 to 15 mph.
Tuesday
Sunny, with a high near 23. West wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
Mostly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Windsor NJ
 40.23°N 74.58°W (Elev. 98 ft)
Last Update:
4:11 am EST Jan 18, 2026
Forecast Valid:
2pm EST Jan 18, 2026-6pm EST Jan 24, 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