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

78°F

26°C

Humidity 39%
Wind Speed NW 7 mph
Barometer 29.84 in (1009.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Apr 3:53 pm EDT
Extended Forecast for

Windsor NJ

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. North wind around 5 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 53. North wind around 5 mph becoming east in the evening. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Southeast wind 5 to 10 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Increasing clouds, with a low around 48. Southeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 59. Northwest wind 5 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. North wind around 5 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 53. North wind around 5 mph becoming east in the evening. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 66. Southeast wind 5 to 10 mph.
Saturday Night
A chance of showers after 2am. Increasing clouds, with a low around 48. Southeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly after 8am. High near 59. Northwest wind 5 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 74.
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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:
4:10 pm EDT Apr 17, 2026
Forecast Valid:
4pm EDT Apr 17, 2026-6pm EDT Apr 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