Briefing for Late June Heat Wave

An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

A Few Clouds

82°F

28°C

Humidity 47%
Wind Speed W 14 G 21 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Jun 5:53 pm EDT
Extended Forecast for

2 Miles SE Morrisville PA

Extreme Heat Watch June 22, 08:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Tonight

    Tonight: Partly cloudy, with a low around 67. West wind 5 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 102. West wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. West wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. West wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 102. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 77. West wind around 5 mph.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Morrisville PA
 40.18°N 74.76°W (Elev. 36 ft)
4:11 pm EDT Jun 20, 2025
6pm EDT Jun 20, 2025-6pm EDT Jun 27, 2025
 
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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