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

51°F

11°C

Humidity 48%
Wind Speed SW 8 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 10 Mar 7:53 am EDT
Extended Forecast for

3 Miles NNW Shirleysburg PA

  • Today

    Today: Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers before 3am, then a slight chance of showers after 5am. Partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 76. South wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Showers. Low around 40. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Showers

  • Thursday

    Thursday: A slight chance of rain showers before 11am, then a slight chance of snow showers between 11am and 2pm. Mostly cloudy, with a high near 44. Northwest wind 11 to 14 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
A slight chance of showers before 3am, then a slight chance of showers after 5am. Partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.
Wednesday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 76. South wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers. Low around 40. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A slight chance of rain showers before 11am, then a slight chance of snow showers between 11am and 2pm. Mostly cloudy, with a high near 44. Northwest wind 11 to 14 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 29.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 62.
Sunday Night
Showers. Low around 40. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 48. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Shirleysburg PA
 40.33°N 77.91°W (Elev. 804 ft)
Last Update:
8:05 am EDT Mar 10, 2026
Forecast Valid:
10am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation