Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

72°F

22°C

Humidity 84%
Wind Speed SW 3 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 10 Sep 7:53 am EDT
Extended Forecast for

Princeton Junction NJ

  • Today

    Today: Mostly sunny, with a high near 87. West wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 2am.  Mostly cloudy, with a low around 66. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. West wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 8am.  Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. West wind 5 to 10 mph.
Tonight
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 66. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81. North wind around 5 mph.
Friday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly before 8am. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.32°N 74.62°W (Elev. 85 ft)
4:09 am EDT Sep 10, 2026
8am EDT Sep 10, 2026-6pm EDT Sep 16, 2026
 
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Additional Resources

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