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.

Fair

64°F

18°C

Humidity 63%
Wind Speed Calm
Barometer 30.09 in (1018.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 24 Jun 9:53 pm EDT
Extended Forecast for

Shirleysburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.

    High: 88 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 61. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. Light southwest wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 63. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 82. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Calm wind.
Thursday
Increasing clouds, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 61. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. Light southwest wind. Chance of precipitation is 50%. 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 before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 63. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 82. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Shirleysburg PA
 40.31°N 77.88°W (Elev. 600 ft)
Last Update:
8:11 pm EDT Jun 24, 2026
Forecast Valid:
10pm EDT Jun 24, 2026-6pm EDT Jul 1, 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