Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Partly Cloudy

81°F

27°C

Humidity 37%
Wind Speed W 8 mph
Barometer 29.97 in (1014.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 24 Jun 2:53 pm EDT
Extended Forecast for

Princeton NJ

  • Tonight

    Tonight: Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 64. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 84. West wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, then showers after 11pm.  Low around 65. Calm wind.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm.  High near 77. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm, then showers after 11pm. Low around 65. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJ
 40.34°N 74.64°W (Elev. 98 ft)
4:07 am EDT Jun 24, 2026
3pm EDT Jun 24, 2026-6pm EDT Jul 1, 2026
 
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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