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.

Overcast

16°C

61°F

Humidity 81%
Wind Speed NE 11 km/h
Barometer 1010.1 mb (29.85 in)
Dewpoint 13°C (55°F)
Visibility 16 km
Last update 17 May 12:53 am EDT
Extended Forecast for

Princeton NJ

  • Overnight

    Overnight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 13. North wind around 10 km/h.

    Low: 13 °C

    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 22. Northeast wind around 10 km/h.

    High: 22 °C

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °C

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 19. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    High: 19 °C

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers. Mostly cloudy, with a low around 12. Calm wind. Chance of precipitation is 20%.

    Low: 12 °C

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 2pm. Partly sunny, with a high near 22. Chance of precipitation is 20%.

    High: 22 °C

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11.

    Low: 11 °C

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °C

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 13. North wind around 10 km/h.
Friday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 22. Northeast wind around 10 km/h.
Friday Night
Mostly cloudy, with a low around 13. Calm wind.
Saturday
A chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 19. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 12. Calm wind. Chance of precipitation is 20%.
Sunday
A slight chance of showers before 2pm. Partly sunny, with a high near 22. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 26. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJ
 40.35°N 74.67°W (Elev. 190 m)
Last Update:
1:10 am EDT May 17, 2024
Forecast Valid:
1am EDT May 17, 2024-6pm EDT May 23, 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