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.

Overcast

27°F

-3°C

Humidity 75%
Wind Speed W 15 G 28 mph
Barometer 30.12 in (1021.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 11 Jan 7:53 pm EST
Extended Forecast for

Shirleysburg PA

  • Tonight

    Tonight: A slight chance of snow showers before 9pm. Partly cloudy, with a low around 27. West wind 5 to 10 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. Southwest wind 3 to 7 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 48 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Light south wind.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance
    Showers then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.

    High: 36 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow showers before 9pm. Partly cloudy, with a low around 27. West wind 5 to 10 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 43. Southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 29. Calm wind.
Tuesday
Increasing clouds, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 36. Light south wind.
Wednesday
A chance of showers before 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shirleysburg PA
 40.31°N 77.88°W (Elev. 600 ft)
Last Update:
8:26 pm EST Jan 11, 2026
Forecast Valid:
8pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation