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

51°F

11°C

Humidity 71%
Wind Speed N 7 mph
Barometer 29.86 in (1010.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 22 Nov 1:53 pm EST
Extended Forecast for

Plainsboro NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. Northwest wind around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Calm wind becoming west around 5 mph in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52. Northwest wind 5 to 10 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Cloudy, with a high near 55. Chance of precipitation is 30%.

    High: 55 °F

    Cloudy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 1am. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 27. Calm wind.
Sunday
Mostly sunny, with a high near 52. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 33. West wind around 5 mph.
Monday
Sunny, with a high near 52. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
A chance of rain after 1pm. Cloudy, with a high near 55. Chance of precipitation is 30%.
Tuesday Night
Rain, mainly before 1am. Low around 48. Chance of precipitation is 90%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Thanksgiving Day
Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 44.
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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 22, 2025
Forecast Valid:
2pm EST Nov 22, 2025-6pm EST Nov 28, 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