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

Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

35°F

2°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 30.22 in (1022.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Nov 12:53 am EST
Extended Forecast for

3 Miles WSW Princeton NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of rain after 1pm. Cloudy, with a high near 55. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 20%.

    High: 55 °F

    Cloudy then
    Slight Chance
    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 43. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Calm wind.
Thursday
Mostly sunny, with a high near 50. Calm wind.
Thursday Night
Increasing clouds, with a low around 36. Calm wind.
Friday
A slight chance of rain after 1pm. Cloudy, with a high near 55. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 20%.
Friday Night
Rain likely. Cloudy, with a low around 43. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Cloudy, with a high near 56.
Tuesday Night
A chance of rain. Cloudy, with a low around 44. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Princeton NJ
 40.35°N 74.7°W (Elev. 98 ft)
Last Update:
4:10 pm EST Nov 19, 2025
Forecast Valid:
1am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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