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.

Fog/Mist

64°F

18°C

Humidity 96%
Wind Speed NW 6 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 63°F (17°C)
Visibility 5.00 mi
Last update 20 Sep 3:53 am EDT
Extended Forecast for

Hollidaysburg PA

  • Overnight

    Overnight: Rain likely, then rain and possibly a thunderstorm after 5am. Low around 61. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Rain

  • Sunday

    Sunday: Rain and possibly a thunderstorm before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 77. Light and variable wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 5am. Mostly cloudy, with a low around 53. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before noon, then a chance of showers after 3pm. Mostly cloudy, with a high near 66. East wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 50. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Showers

  • Tuesday

    Tuesday: Showers. High near 59. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    High: 59 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

Detailed Forecast

Overnight
Rain likely, then rain and possibly a thunderstorm after 5am. Low around 61. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain and possibly a thunderstorm before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 77. Light and variable wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 5am. Mostly cloudy, with a low around 53. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers before noon, then a chance of showers after 3pm. Mostly cloudy, with a high near 66. East wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 50. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers. High near 59. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Showers likely. Cloudy, with a low around 47. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hollidaysburg PA
 40.42°N 78.39°W (Elev. 1053 ft)
Last Update:
3:42 am EDT Sep 20, 2026
Forecast Valid:
4am EDT Sep 20, 2026-6pm EDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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