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.

Heavy Rain Fog/Mist

60°F

16°C

Humidity 90%
Wind Speed N 10 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 20 Jun 9:53 pm EDT
Extended Forecast for

Marklesburg PA

  • Tonight

    Tonight: A slight chance of showers before midnight. Mostly clear, with a low around 56. Light southwest wind. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Northwest wind 6 to 9 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers between 3am and 5am. Increasing clouds, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 75. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 75 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 60. West wind 3 to 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: 60 °F

    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before midnight. Mostly clear, with a low around 56. Light southwest wind. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 80. Northwest wind 6 to 9 mph.
Sunday Night
A chance of showers between 3am and 5am. Increasing clouds, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 75. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 60. West wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marklesburg PA
 40.4°N 78.16°W (Elev. 997 ft)
Last Update:
8:11 pm EDT Jun 20, 2026
Forecast Valid:
10pm EDT Jun 20, 2026-6pm EDT Jun 27, 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