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.

Mostly Cloudy

58°F

14°C

Humidity 67%
Wind Speed SE 9 mph
Barometer 30.17 in (1021.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 3 May 3:53 pm EDT
Extended Forecast for

Princeton Junction NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. East wind 5 to 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 59. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 2am. Cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 59. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 2am. Low around 55. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. East wind 5 to 10 mph.
Saturday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 59. East wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers, mainly after 2am. Cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 59. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, with thunderstorms also possible after 2am. Low around 55. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Thursday
Showers likely. Cloudy, with a high near 72. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.32°N 74.62°W (Elev. 85 ft)
Last Update:
4:11 pm EDT May 3, 2024
Forecast Valid:
4pm EDT May 3, 2024-6pm EDT May 10, 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