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.

Mostly Cloudy

29°C

84°F

Humidity 65%
Wind Speed E 9 km/h
Barometer 1015.6 mb (30.01 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 13 Jul 4:53 pm EDT
Extended Forecast for

Windsor NJ

Flood Watch July 14, 02:00pm until July 14, 11:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 21. Southeast wind 5 to 10 km/h. Chance of precipitation is 20%.

    Low: 21 °C

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 31. South wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 31 °C

    Slight Chance
    Showers then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Low: 22 °C

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 30. Calm wind. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 30 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 31 °C

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °C

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 50%.

    High: 33 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °C

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 21. Southeast wind 5 to 10 km/h. Chance of precipitation is 20%.
Monday
A chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 31. South wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.
Monday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 30. Calm wind. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 34. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Windsor NJ
 40.21°N 74.61°W (Elev. 112 m)
Last Update:
4:12 pm EDT Jul 13, 2025
Forecast Valid:
5pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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