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

76°F

24°C

Humidity 74%
Wind Speed Vrbl 6 mph
Barometer 30.16 in (1020.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 31 Aug 12:53 pm EDT
Extended Forecast for

Mount Union PA

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Calm wind. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. Partly sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 2am. Some of the storms could be severe. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Partly sunny and hot, with a high near 93. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 71. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Calm wind. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 71. Calm wind.
Tuesday
A chance of showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. Partly sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly before 2am. Some of the storms could be severe. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Partly sunny and hot, with a high near 93. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 71. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Union PA
 40.38°N 77.87°W (Elev. 600 ft)
Last Update:
8:05 am EDT Aug 31, 2026
Forecast Valid:
1pm EDT Aug 31, 2026-6pm EDT Sep 6, 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