Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

77°F

25°C

Humidity 48%
Wind Speed Vrbl 5 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Sep 6:53 pm EDT
Extended Forecast for

Princeton Junction NJ

  • Tonight

    Tonight: Mostly clear, with a low around 57. North wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Northeast wind 5 to 15 mph becoming southeast in the morning.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between midnight and 5am, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 67. Southeast wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 11am, then showers between 11am and 2pm.  High near 82. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Calm wind becoming west around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. North wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 82. Northeast wind 5 to 15 mph becoming southeast in the morning.
Saturday Night
A chance of showers and thunderstorms between midnight and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm before 11am, then showers between 11am and 2pm. High near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Partly cloudy, with a low around 64. Calm wind becoming west around 5 mph.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
A chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.3°N 74.62°W (Elev. 98 ft)
4:09 pm EDT Sep 11, 2026
7pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
 
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Additional Resources

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