National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog/Mist

66°F

19°C

Humidity 90%
Wind Speed Calm
Barometer 29.99 in (1014.6 mb)
Dewpoint 63°F (17°C)
Visibility 2.50 mi
Last update 18 Jul 5:53 am EDT
Extended Forecast for

Hollidaysburg PA

  • Today

    Today: Showers and thunderstorms, mainly before 4pm. Patchy smoke before noon. High near 86. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 11pm. Low around 66. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms then
    Scattered
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 81. North wind 5 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Light north wind.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly after 2pm. High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm. Patchy smoke before noon. High near 86. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms, mainly before 11pm. Low around 66. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 81. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 57. Light north wind.
Monday
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.
Tuesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 85. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 65. Chance of precipitation is 80%.
Wednesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hollidaysburg PA
 40.42°N 78.39°W (Elev. 1053 ft)
Last Update:
6:16 am EDT Jul 18, 2026
Forecast Valid:
6am EDT Jul 18, 2026-6pm EDT Jul 24, 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