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

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Mostly Cloudy

72°F

22°C

Humidity 82%
Wind Speed W 5 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Aug 7:53 pm EDT
Extended Forecast for

Cassville PA

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a slight chance of showers after 3am. Mostly cloudy, with a low around 69. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 4am, then a slight chance of showers between 4am and 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Light northwest wind. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 11pm, then a slight chance of showers after 3am. Mostly cloudy, with a low around 69. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 4am, then a slight chance of showers between 4am and 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Light northwest wind. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cassville PA
 40.3°N 78.03°W (Elev. 1198 ft)
Last Update:
8:11 pm EDT Aug 10, 2026
Forecast Valid:
8pm EDT Aug 10, 2026-6pm EDT Aug 17, 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