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.

A Few Clouds

88°F

31°C

Humidity 52%
Wind Speed S 3 mph
Barometer 30.31 in (1025.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 19 Jun 2:53 pm EDT
Extended Forecast for

3 Miles WSW Princeton NJ

Excessive Heat Watch June 22, 06:00am until June 23, 08:00pm
Heat Advisory June 19, 03:54pm until June 22, 06:00am
Click here for hazard details and duration
Excessive Heat Watch
Heat Advisory
  •  
    Heat Advisory June 19, 03:54pm until June 22, 06:00am

    NOW until 6:00am Sat

    Heat Advisory

  • Tonight

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 94. Southwest wind around 5 mph.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. Southwest wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 101. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 95. Chance of precipitation is 30%.

    High: 95 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 94. Southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 69. Southwest wind around 5 mph.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 101. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 91. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 95. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Monday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 94.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Princeton NJ
 40.35°N 74.7°W (Elev. 98 ft)
Last Update:
1:10 pm EDT Jun 19, 2024
Forecast Valid:
3pm EDT Jun 19, 2024-6pm EDT Jun 26, 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