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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

43°F

6°C

Humidity 60%
Wind Speed S 10 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 23 Nov 10:53 am EST
Extended Forecast for

Plainsboro NJ

  • Today

    Today: Partly sunny, with a high near 52. Southwest wind around 5 mph.

    High: 52 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. West wind around 5 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Cloudy, with a high near 55. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Cloudy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 1am. Low around 48. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 52. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 33. West wind around 5 mph.
Monday
Sunny, with a high near 53. Northwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 32. Calm wind.
Tuesday
A chance of rain after 1pm. Cloudy, with a high near 55. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, mainly before 1am. Low around 48. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Thanksgiving Day
Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 28.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plainsboro NJ
 40.34°N 74.59°W (Elev. 89 ft)
Last Update:
4:09 am EST Nov 23, 2025
Forecast Valid:
11am EST Nov 23, 2025-6pm EST Nov 29, 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