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.

Mostly Cloudy

68°F

20°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.01 in (1015.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Aug 11:53 pm EDT
Extended Forecast for

Hollidaysburg PA

  • Overnight

    Overnight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 68. Light west wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am. Some of the storms could produce heavy rainfall. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Heavy Rain
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 68. Light west wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am. Some of the storms could produce heavy rainfall. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hollidaysburg PA
 40.45°N 78.38°W (Elev. 1076 ft)
Last Update:
10:47 pm EDT Aug 10, 2026
Forecast Valid:
12am EDT Aug 11, 2026-6pm EDT Aug 17, 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