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.

Overcast

70°F

21°C

Humidity 90%
Wind Speed NE 3 mph
Barometer 30.05 in (1016.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 1:53 am EDT
Extended Forecast for

Marklesburg PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. North wind around 6 mph.

    Low: 61 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. North wind around 6 mph.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 75. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 63. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 8am. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. North wind around 6 mph.
Monday
Partly sunny, with a high near 77. North wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 75. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 63. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 63.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marklesburg PA
 40.38°N 78.16°W (Elev. 915 ft)
Last Update:
2:35 am EDT Aug 18, 2025
Forecast Valid:
2am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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