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.

Freezing Fog

30°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 29°F (-2°C)
Visibility 0.25 mi
Last update 19 Nov 10:53 pm EST
Extended Forecast for

Marklesburg PA

  • Tonight

    Tonight: Areas of fog. Otherwise, increasing clouds, with a low around 31. Calm wind.

    Low: 31 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Areas Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Cloudy

  • Friday

    Friday: A chance of showers. Cloudy, with a high near 55. Light south wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Cloudy, with a low around 41. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before 1pm. Mostly sunny, with a high near 51. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of fog. Otherwise, increasing clouds, with a low around 31. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, cloudy, with a high near 48. Calm wind.
Thursday Night
Cloudy, with a low around 39. Calm wind.
Friday
A chance of showers. Cloudy, with a high near 55. Light south wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 1am. Cloudy, with a low around 41. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers before 1pm. Mostly sunny, with a high near 51. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marklesburg PA
 40.4°N 78.16°W (Elev. 997 ft)
Last Update:
10:16 pm EST Nov 19, 2025
Forecast Valid:
11pm EST Nov 19, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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