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

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.99 in (1014.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Aug 9:53 pm EDT
Extended Forecast for

2 Miles NE Shirleysburg PA

  • Tonight

    Tonight: Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 2am and 5am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers likely before 8pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely then
    Patchy Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 60. Calm wind.
Wednesday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.
Wednesday Night
A chance of showers between 2am and 5am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely before 8pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers after 2pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 81. Chance of precipitation is 20%.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Monday
Sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Shirleysburg PA
 40.33°N 77.85°W (Elev. 702 ft)
Last Update:
8:11 pm EDT Aug 18, 2026
Forecast Valid:
10pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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