Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

76°F

24°C

Humidity 67%
Wind Speed SE 6 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Aug 2:53 pm EDT
Extended Forecast for

2 Miles NNW Tullytown PA

  • This Afternoon

    This Afternoon: A chance of showers.  Mostly cloudy, with a high near 78. Southeast wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 2am.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 67. East wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 83. West wind 5 to 10 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. West wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers. Mostly cloudy, with a high near 78. Southeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers and thunderstorms, then showers likely after 2am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 83. West wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 63. West wind around 5 mph.
Monday
Sunny, with a high near 80. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Tullytown PA
 40.16°N 74.82°W (Elev. 72 ft)
4:09 am EDT Aug 22, 2026
3pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
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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