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

39°F

4°C

Humidity 36%
Wind Speed NE 6 mph
Barometer 30.24 in (1025.1 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 Mar 1:53 am EDT
Extended Forecast for

2 Miles ENE Shirleysburg PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 55. Southeast wind 5 to 14 mph, with gusts as high as 29 mph.

    High: 55 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 11pm. Low around 47. Southeast wind 8 to 11 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 66. South wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain and snow showers likely before 2am, then a slight chance of snow showers. Mostly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Calm wind.
Sunday
Mostly cloudy, with a high near 55. Southeast wind 5 to 14 mph, with gusts as high as 29 mph.
Sunday Night
Showers, mainly after 11pm. Low around 47. Southeast wind 8 to 11 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 66. South wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and snow showers likely before 2am, then a slight chance of snow showers. Mostly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday
A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 56.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 54. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Shirleysburg PA
 40.31°N 77.85°W (Elev. 876 ft)
Last Update:
2:35 am EDT Mar 15, 2026
Forecast Valid:
2am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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