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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Rain

61°F

16°C

Humidity 87%
Wind Speed N 6 mph
Barometer 30.17 in (1021.1 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 22 Sep 1:53 am EDT
Extended Forecast for

3 Miles NNW Windsor NJ

  • Overnight

    Overnight: A chance of showers. Cloudy, with a low around 53. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly between 2pm and 5pm. Mostly cloudy, with a high near 65. Northeast wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 51. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. Northeast wind around 15 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 53. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers, mainly between 2pm and 5pm. Mostly cloudy, with a high near 65. Northeast wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 51. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 51. Northeast wind around 15 mph.
Thursday
Mostly cloudy, with a high near 65.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Windsor NJ
 40.25°N 74.63°W (Elev. 98 ft)
Last Update:
4:10 pm EDT Sep 21, 2026
Forecast Valid:
2am EDT Sep 22, 2026-6pm EDT Sep 28, 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