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

66°F

19°C

Humidity 90%
Wind Speed S 5 mph
Barometer 30.02 in (1015.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 11:53 pm EDT
Extended Forecast for

Altoona PA

  • Overnight

    Overnight: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 4pm. High near 74. Light north wind. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers

  • Thursday Night

    Thursday Night: Patchy fog before 11pm, then patchy fog after midnight. Otherwise, partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 80. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms, mainly before 4pm. High near 74. Light north wind. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Patchy fog before 11pm, then patchy fog after midnight. Otherwise, partly cloudy, with a low around 57. Calm wind.
Friday
A slight chance of showers after 2pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 80. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altoona PA
 40.49°N 78.4°W (Elev. 1198 ft)
Last Update:
8:11 pm EDT Aug 19, 2026
Forecast Valid:
12am EDT Aug 20, 2026-6pm EDT Aug 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