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 and Windy

13°F

-11°C

Humidity 61%
Wind Speed NW 26 G 37 mph
Barometer 29.72 in (1009.0 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 15 Jan 11:53 pm EST
Extended Forecast for

Shirleysburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 16. West wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow between noon and 3pm. Increasing clouds, with a high near 35. South wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm, then a chance of rain showers between 1pm and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 44. Calm wind becoming southwest around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of snow showers before 7pm. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 16. West wind 6 to 9 mph, with gusts as high as 21 mph.
Friday
A slight chance of snow between noon and 3pm. Increasing clouds, with a high near 35. South wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of rain and snow showers before 1pm, then a chance of rain showers between 1pm and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 44. Calm wind becoming southwest around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of snow showers before 7pm. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 36.
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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:
12:04 am EST Jan 16, 2026
Forecast Valid:
12am EST Jan 16, 2026-6pm EST Jan 22, 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