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

59°F

15°C

Humidity 62%
Wind Speed N 10 mph
Barometer 30.11 in (1018.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 May 5:53 am EDT
Extended Forecast for

Windsor NJ

  • Overnight

    Overnight: A chance of showers. Mostly cloudy, with a low around 54. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms before 2pm, then showers likely. High near 63. Northeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Cloudy, with a low around 50. East wind around 5 mph becoming calm.

    Low: 50 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 64. East wind 10 to 15 mph.

    High: 64 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 58. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 48. Chance of precipitation is 100%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Cloudy, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Cloudy, with a low around 54.

    Low: 54 °F

    Cloudy

Detailed Forecast

Overnight
A chance of showers. Mostly cloudy, with a low around 54. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and thunderstorms before 2pm, then showers likely. High near 63. Northeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Cloudy, with a low around 50. East wind around 5 mph becoming calm.
Friday
Mostly cloudy, with a high near 64. East wind 10 to 15 mph.
Friday Night
Showers likely, mainly after 2am. Cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. High near 58. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers. Low around 48. Chance of precipitation is 100%.
Sunday
A chance of showers before 2pm. Cloudy, with a high near 66. Chance of precipitation is 50%.
Sunday Night
Cloudy, with a low around 54.
Memorial Day
A chance of showers after 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Windsor NJ
 40.21°N 74.61°W (Elev. 112 ft)
Last Update:
4:08 am EDT May 21, 2026
Forecast Valid:
5am EDT May 21, 2026-6pm EDT May 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