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

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

30°F

-1°C

Humidity 49%
Wind Speed S 8 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 16 Jan 10:53 pm EST
Extended Forecast for

Windsor NJ

  • Tonight

    Tonight: A chance of snow, mainly after 3am. Mostly cloudy, with a low around 28. South wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: Rain and snow likely before 3pm, then a slight chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Increasing clouds, with a low around 30. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly between 10am and 1pm. Cloudy, with a high near 35. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. West wind around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Monday Night

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

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of snow, mainly after 3am. Mostly cloudy, with a low around 28. South wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Rain and snow likely before 3pm, then a slight chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A chance of snow after 1am. Increasing clouds, with a low around 30. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow likely, mainly between 10am and 1pm. Cloudy, with a high near 35. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday Night
Partly cloudy, with a low around 18. West wind around 5 mph.
M.L.King Day
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 8.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
A chance of snow. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Windsor NJ
 40.23°N 74.58°W (Elev. 98 ft)
Last Update:
8:36 pm EST Jan 16, 2026
Forecast Valid:
11pm EST Jan 16, 2026-6pm EST Jan 23, 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