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Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

39°F

4°C

Humidity 86%
Wind Speed Calm
Barometer 30.55 in (1034.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 24 Oct 11:53 pm EDT
Extended Forecast for

Pennington NJ

Freeze Warning until October 25, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until October 25, 09:00am

    NOW until 9:00am Sun

    Freeze Warning

  • Overnight

    Low: 32 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming west around 5 mph.

    High: 66 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 11pm. Otherwise, clear, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Frost

  • Monday

    Monday: Patchy frost before 9am. Otherwise, partly sunny through mid morning, then becoming sunny, with a high near 69. West wind around 5 mph.

    High: 69 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. West wind around 5 mph becoming calm.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread frost. Otherwise, clear, with a low around 32. Calm wind.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming west around 5 mph.
Sunday Night
Patchy frost after 11pm. Otherwise, clear, with a low around 37. Calm wind.
Monday
Patchy frost before 9am. Otherwise, partly sunny through mid morning, then becoming sunny, with a high near 69. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 44. West wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pennington NJ
 40.32°N 74.79°W (Elev. 203 ft)
Last Update:
5:04 pm EDT Oct 24, 2026
Forecast Valid:
12am EDT Oct 25, 2026-6pm EDT Oct 31, 2026
 
Forecast Discussion
 
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