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

20°F

-7°C

Humidity 65%
Wind Speed W 8 mph
Barometer 29.88 in (1014.0 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 18 Jan 8:53 pm EST
Extended Forecast for

Mount Union PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Light and variable wind.

    Low: 19 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 30. South wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. Wind chill values as low as -5. West wind 8 to 16 mph, with gusts as high as 39 mph.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 19. Wind chill values as low as -5. West wind 8 to 10 mph, with gusts as high as 28 mph.

    High: 19 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8. West wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of snow showers after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 20%.

    High: 33 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. Light and variable wind.
M.L.King Day
Partly sunny, with a high near 30. South wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 39 mph.
Monday Night
Partly cloudy, with a low around 8. Wind chill values as low as -5. West wind 8 to 16 mph, with gusts as high as 39 mph.
Tuesday
Sunny, with a high near 19. Wind chill values as low as -5. West wind 8 to 10 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 8. West wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of snow showers after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 19. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Union PA
 40.4°N 77.9°W (Elev. 666 ft)
Last Update:
7:58 pm EST Jan 18, 2026
Forecast Valid:
9pm EST Jan 18, 2026-6pm EST Jan 25, 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