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.

Fair and Breezy

51°F

11°C

Humidity 32%
Wind Speed SE 24 G 35 mph
Barometer 30.16 in (1021.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 15 Mar 12:53 pm EDT
Extended Forecast for

Mount Union PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 53. Southeast wind around 16 mph, with gusts as high as 32 mph.

    High: 53 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly after 11pm. Low around 46. Southeast wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 64. South wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain and snow showers likely before 2am, then a slight chance of snow showers. Cloudy, then gradually becoming partly cloudy, with a low around 23. West wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 31. West wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

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

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 53. Southeast wind around 16 mph, with gusts as high as 32 mph.
Tonight
Showers, mainly after 11pm. Low around 46. Southeast wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 64. South wind around 16 mph, with gusts as high as 33 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 before 2am, then a slight chance of snow showers. Cloudy, then gradually becoming partly cloudy, with a low around 23. West wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 31. West wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Union PA
 40.4°N 77.9°W (Elev. 666 ft)
Last Update:
8:05 am EDT Mar 15, 2026
Forecast Valid:
1pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation