Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

71°F

22°C

Humidity 35%
Wind Speed S 15 G 23 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 18 Apr 3:53 pm EDT
Extended Forecast for

Princeton NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67. Northwest wind 5 to 10 mph.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Scattered showers.  Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 83. Southwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 67. Northwest wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm.
Monday
Mostly cloudy, with a high near 63.
Monday Night
Scattered showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJ
 40.35°N 74.67°W (Elev. 190 ft)
4:11 pm EDT Apr 18, 2025
4pm EDT Apr 18, 2025-6pm EDT Apr 25, 2025
 
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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