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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

59°F

15°C

Humidity 60%
Wind Speed N 3 mph
Barometer 30.13 in (1019.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 30 Aug 10:53 pm EDT
Extended Forecast for

Plainsboro NJ

  • Tonight

    Tonight: Clear, with a low around 47. Calm wind.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 47. Calm wind.
Sunday
Sunny, with a high near 79. Calm wind.
Sunday Night
Partly cloudy, with a low around 53. Calm wind.
Labor Day
Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. Calm wind.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plainsboro NJ
 40.34°N 74.59°W (Elev. 89 ft)
Last Update:
4:09 pm EDT Aug 30, 2025
Forecast Valid:
11pm EDT Aug 30, 2025-6pm EDT Sep 6, 2025
 
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