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.

A Few Clouds

73°F

23°C

Humidity 81%
Wind Speed Calm
Barometer 30.02 in (1015.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 4 Sep 9:53 am EDT
Extended Forecast for

Mount Union PA

  • Today

    Today: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. North wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80. Light northeast wind.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Labor Day

    Labor Day: Areas of fog before 9am. Otherwise, sunny, with a high near 81.

    High: 81 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. North wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Partly sunny, with a high near 82. Calm wind.
Saturday Night
Partly cloudy, with a low around 57. Calm wind.
Sunday
Sunny, with a high near 80. Light northeast wind.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 56.
Labor Day
Areas of fog before 9am. Otherwise, sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Union PA
 40.38°N 77.87°W (Elev. 600 ft)
Last Update:
10:46 am EDT Sep 4, 2026
Forecast Valid:
11am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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