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

40°F

4°C

Humidity 79%
Wind Speed W 5 mph
Barometer 30.13 in (1020.8 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 16 Oct 7:53 am EDT
Extended Forecast for

Shirleysburg PA

  • Today

    Today: Sunny, with a high near 64. Light north wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, clear, with a low around 30. Light northwest wind.

    Low: 30 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Widespread frost, mainly between 7am and 9am. Otherwise, sunny, with a high near 66. Light northwest wind.

    High: 66 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71. Light south wind.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 48. Chance of precipitation is 20%.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 64. Light north wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Areas of frost after 3am. Otherwise, clear, with a low around 30. Light northwest wind.
Friday
Widespread frost, mainly between 7am and 9am. Otherwise, sunny, with a high near 66. Light northwest wind.
Friday Night
Partly cloudy, with a low around 42. Calm wind.
Saturday
Partly sunny, with a high near 71. Light south wind.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 48. Chance of precipitation is 20%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Monday
A chance of showers before 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shirleysburg PA
 40.29°N 77.89°W (Elev. 600 ft)
Last Update:
8:05 am EDT Oct 16, 2025
Forecast Valid:
8am EDT Oct 16, 2025-6pm EDT Oct 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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