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

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

23°F

-5°C

Humidity 63%
Wind Speed W 14 mph
Barometer 29.85 in (1012.9 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 17 Mar 8:53 am EDT
Extended Forecast for

Shirleysburg PA

  • Today

    Today: Partly sunny, with a high near 35. West wind around 14 mph, with gusts as high as 30 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West wind around 6 mph becoming calm in the evening.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52. Light south wind.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 33. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 35. West wind around 14 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 19. West wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 26. Calm wind.
Thursday
Partly sunny, with a high near 52. Light south wind.
Thursday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 33. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 57.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 64.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 51.
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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:
8:06 am EDT Mar 17, 2026
Forecast Valid:
9am EDT Mar 17, 2026-6pm EDT Mar 23, 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