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.

Overcast

74°F

23°C

Humidity 71%
Wind Speed SE 9 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 22 Aug 12:53 pm EDT
Extended Forecast for

5 Miles WNW Marklesburg PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 77. South wind around 7 mph.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    T-storms
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 76. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73. West wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 77. South wind around 7 mph.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Mostly sunny, with a high near 76. West wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 56. Southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 73. West wind 6 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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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:
12:17 pm EDT Aug 22, 2026
Forecast Valid:
1pm EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
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