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

75°F

24°C

Humidity 76%
Wind Speed Vrbl 3 mph
Barometer 30.19 in (1021.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 15 Aug 9:53 am EDT
Extended Forecast for

5 Miles WNW Marklesburg PA

  • Today

    Today: Mostly sunny, with a high near 86. Light east wind.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 88. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 6 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: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 86. Light east wind.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 88. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 6 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.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Marklesburg PA
 40.41°N 78.24°W (Elev. 1345 ft)
Last Update:
6:59 am EDT Aug 15, 2025
Forecast Valid:
10am EDT Aug 15, 2025-6pm EDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation