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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

72°F

22°C

Humidity 68%
Wind Speed S 10 mph
Barometer 30.03 in (1016.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Jun 10:53 pm EDT
Extended Forecast for

Pennington NJ

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 4am, then a slight chance of thunderstorms between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers between 8am and 10am. Mostly cloudy, with a high near 87. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 2am. Areas of fog. Otherwise, increasing clouds, with a low around 66. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely and
    Areas Fog

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. Areas of fog. High near 78. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers and
    Areas Fog

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Areas of fog. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely and
    Areas Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

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

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 4am, then a slight chance of thunderstorms between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers between 8am and 10am. Mostly cloudy, with a high near 87. West wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers likely after 2am. Areas of fog. Otherwise, increasing clouds, with a low around 66. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers, with thunderstorms also possible after 2pm. Areas of fog. High near 78. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Areas of fog. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pennington NJ
 40.32°N 74.79°W (Elev. 203 ft)
Last Update:
4:08 pm EDT Jun 25, 2026
Forecast Valid:
11pm EDT Jun 25, 2026-6pm EDT Jul 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation