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

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

71°F

22°C

Humidity 61%
Wind Speed N 3 mph
Barometer 29.85 in (1010.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Sep 8:53 pm EDT
Extended Forecast for

Princeton NJ

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 80 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. North wind around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. East wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. East wind around 5 mph.
Friday
A slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 79. North wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around 57. East wind around 5 mph.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A chance of showers. Cloudy, with a high near 72. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Cloudy, with a low around 59. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJ
 40.37°N 74.67°W (Elev. 256 ft)
Last Update:
7:10 pm EDT Sep 19, 2024
Forecast Valid:
9pm EDT Sep 19, 2024-6pm EDT Sep 26, 2024
 
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