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

Heavy Rainfall and Severe Thunderstorms in the Southern Plains

A slow moving front combined with tropical moisture will maintain the threat of locally considerable flash/urban flooding across much of Texas and Oklahoma through Friday. Isolated severe storms capable of mainly severe wind gusts appear possible over portions of Kansas, Oklahoma, and Texas this afternoon and evening. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

74°F

23°C

Humidity 71%
Wind Speed S 6 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 1 Oct 6:53 pm EDT
Extended Forecast for

Princeton NJSimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 85. West wind 5 to 15 mph.

    High: 85 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 70. North wind around 5 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Southwest wind around 5 mph.
Friday
Partly sunny, with a high near 85. West wind 5 to 15 mph.
Friday Night
A chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 70. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 54. Calm wind.
Sunday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 2am. Cloudy, with a low around 55. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJSimilar City Names
 40.35°N 74.67°W (Elev. 190 ft)
Last Update:
4:11 pm EDT Oct 1, 2026
Forecast Valid:
7pm EDT Oct 1, 2026-6pm EDT Oct 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation