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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Pennridge Airport (KCKZ)

Lat: 40.39°NLon: 75.29°WElev: 568ft.

Mostly Cloudy

72°F

22°C

Humidity 83%
Wind Speed NW 7 G 20 mph
Barometer 29.71 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 29 Jul 9:15 pm EDT
Extended Forecast for

Harleysville PA

  • Tonight

    Tonight: Isolated showers after midnight. Mostly cloudy, with a low around 61. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 80. Northwest wind 10 to 15 mph.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 61. Northwest wind 5 to 10 mph.

    Low: 61 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 84. Northwest wind around 5 mph becoming calm.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. South wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers after midnight. Mostly cloudy, with a low around 61. West wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 80. Northwest wind 10 to 15 mph.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 61. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 84. Northwest wind around 5 mph becoming calm.
Friday Night
Partly cloudy, with a low around 63. South wind around 5 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harleysville PA
 40.27°N 75.39°W (Elev. 299 ft)
Last Update:
3:20 pm EDT Jul 29, 2026
Forecast Valid:
9pm EDT Jul 29, 2026-6pm EDT Aug 5, 2026
 
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