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.

A Few Clouds

34°F

1°C

Humidity 89%
Wind Speed S 3 mph
Barometer 30.11 in (1020.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 8 Jan 5:53 am EST
Extended Forecast for

Shirleysburg PA

  • Today

    Today: Partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Light south wind.

    Low: 38 °F

    Decreasing
    Clouds

  • Friday

    Friday: Showers likely, mainly after 1pm. Increasing clouds, with a high near 56. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Patchy fog after 4am. Otherwise, cloudy, with a low around 45. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers. High near 51. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 53. Calm wind.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Light south wind.
Friday
Showers likely, mainly after 1pm. Increasing clouds, with a high near 56. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Patchy fog after 4am. Otherwise, cloudy, with a low around 45. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. High near 51. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shirleysburg PA
 40.29°N 77.89°W (Elev. 600 ft)
Last Update:
6:16 am EST Jan 8, 2026
Forecast Valid:
6am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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