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

39°F

4°C

Humidity 41%
Wind Speed Calm
Barometer 30.25 in (1025.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 14 Mar 9:53 pm EDT
Extended Forecast for

Mount Union PA

  • Tonight

    Tonight: A slight chance of snow between midnight and 1am. Mostly cloudy, with a low around 34. Light and variable wind. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 54. South wind 6 to 14 mph, with gusts as high as 30 mph.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 47. Southeast wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 66. South wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: Rain and snow showers likely, becoming all snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 23. West wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow between midnight and 1am. Mostly cloudy, with a low around 34. Light and variable wind. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 54. South wind 6 to 14 mph, with gusts as high as 30 mph.
Sunday Night
Showers, mainly after 2am. Low around 47. Southeast wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 66. South wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and snow showers likely, becoming all snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 23. West wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 57.
Friday Night
A chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Union PA
 40.38°N 77.9°W (Elev. 1243 ft)
Last Update:
10:11 pm EDT Mar 14, 2026
Forecast Valid:
10pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
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