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

27°F

-3°C

Humidity 72%
Wind Speed SW 10 mph
Barometer 30.02 in (1018.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 4 Dec 1:53 am EST
Extended Forecast for

Shirleysburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 38. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 28 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13. Light and variable wind.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of snow. Partly sunny, with a high near 32. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 38. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 28 mph.
Thursday Night
Mostly clear, with a low around 13. Light and variable wind.
Friday
A slight chance of snow. Partly sunny, with a high near 32. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 19. Calm wind.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shirleysburg PA
 40.31°N 77.88°W (Elev. 600 ft)
Last Update:
1:05 am EST Dec 4, 2025
Forecast Valid:
2am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
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