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

59°F

15°C

Humidity 42%
Wind Speed W 17 G 29 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 9 Nov 1:53 pm EST
Extended Forecast for

2 Miles NW Princeton North NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. West wind around 5 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. West wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 63. Northwest wind around 5 mph becoming calm.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 39. West wind around 5 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 39. West wind around 5 mph.
Veterans Day
Mostly sunny, with a high near 63. Northwest wind around 5 mph becoming calm.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Thursday Night
Rain. Low around 38. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Princeton North NJ
 40.37°N 74.67°W (Elev. 256 ft)
Last Update:
2:00 pm EST Nov 9, 2026
Forecast Valid:
2pm EST Nov 9, 2026-6pm EST Nov 15, 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