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

27°F

-3°C

Humidity 69%
Wind Speed SW 10 mph
Barometer 30.20 in (1024.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 12 Jan 6:53 am EST
Extended Forecast for

Marklesburg PA

  • Today

    Today: Mostly sunny, with a high near 41. West wind 9 to 11 mph, with gusts as high as 25 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Southwest wind 3 to 7 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 38. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely, mainly before 7am. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.

    High: 33 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 41. West wind 9 to 11 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 29. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 3 to 7 mph.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 38. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 4am, then snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly before 7am. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 21.
Saturday
A chance of snow showers. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 28.
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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:
7:28 am EST Jan 12, 2026
Forecast Valid:
7am EST Jan 12, 2026-6pm EST Jan 18, 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