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.

Light Rain

62°F

17°C

Humidity 84%
Wind Speed SE 7 mph
Barometer 29.70 in (1005.2 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 9 Nov 1:53 pm EST
Extended Forecast for

Princeton North NJ

  • This Afternoon

    This Afternoon: Showers likely, mainly between 3pm and 5pm. Cloudy, with a high near 64. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers, mainly after midnight. Patchy fog before 2am. Low around 45. Calm wind becoming west around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, with a high near 54. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. West wind around 10 mph.

    Low: 27 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 44. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly between 3pm and 5pm. Cloudy, with a high near 64. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly after midnight. Patchy fog before 2am. Low around 45. Calm wind becoming west around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 54. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 27. West wind around 10 mph.
Veterans Day
Mostly sunny, with a high near 44. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 32.
Friday
Mostly sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 50.
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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:
1:11 pm EST Nov 9, 2025
Forecast Valid:
2pm EST Nov 9, 2025-6pm EST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

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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