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

58°F

14°C

Humidity 87%
Wind Speed Calm
Barometer 30.00 in (1015.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Jun 2:53 am EDT
Extended Forecast for

Princeton Junction NJ

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 86. Southwest wind 5 to 10 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. South wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 93. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Low around 62. West wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 57. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 86. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 65. South wind 5 to 10 mph.
Friday
A chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 93. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Low around 62. West wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 69.
Juneteenth
Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.32°N 74.62°W (Elev. 85 ft)
Last Update:
1:10 am EDT Jun 13, 2024
Forecast Valid:
3am EDT Jun 13, 2024-6pm EDT Jun 19, 2024
 
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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