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

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

A Few Clouds

34°F

1°C

Humidity 52%
Wind Speed W 12 G 23 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Feb 7:53 pm EST
Extended Forecast for

Princeton North NJ

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 35. Northwest wind 10 to 15 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Northwest wind around 5 mph.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. Northwest wind around 5 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. West wind around 5 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 25. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 35. Northwest wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 15. Northwest wind around 5 mph.
Friday
Sunny, with a high near 35. Northwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 22. West wind around 5 mph.
Saturday
Sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly cloudy, with a high near 39.
Sunday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Washington's Birthday
A chance of rain before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton North NJ
 40.37°N 74.64°W (Elev. 98 ft)
Last Update:
4:19 pm EST Feb 11, 2026
Forecast Valid:
8pm EST Feb 11, 2026-6pm EST Feb 18, 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