National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

79°F

26°C

Humidity 77%
Wind Speed S 12 mph
Barometer 30.03 in (1016.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 29 Jun 7:53 pm EDT
Extended Forecast for

3 Miles W Princeton NJ

Heat Advisory June 30, 11:00am until June 30, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe. Areas of fog between 9am and 11am. High near 91. Heat index values as high as 101. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Chance
    Showers and
    Areas Fog
    then Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 61. West wind 5 to 10 mph becoming north in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 80. North wind around 10 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. North wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe. Areas of fog between 9am and 11am. High near 91. Heat index values as high as 101. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 61. West wind 5 to 10 mph becoming north in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Sunny, with a high near 80. North wind around 10 mph.
Monday Night
Mostly clear, with a low around 60. North wind around 5 mph.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 67.
Independence Day
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Princeton NJ
 40.35°N 74.73°W (Elev. 200 ft)
Last Update:
7:11 pm EDT Jun 29, 2024
Forecast Valid:
8pm EDT Jun 29, 2024-6pm EDT Jul 6, 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