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

68°F

20°C

Humidity 76%
Wind Speed Calm
Barometer 30.11 in (1019.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 25 May 8:53 pm EDT
Extended Forecast for

3 Miles SSW Mount Union PA

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of showers before 3pm, then a slight chance of showers after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 20%.

    High: 80 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 61. Light south wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. Light west wind.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 56. Calm wind.
Tuesday
A slight chance of showers before 3pm, then a slight chance of showers after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 61. Light south wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 59. Light west wind.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Mount Union PA
 40.36°N 77.9°W (Elev. 755 ft)
Last Update:
9:06 pm EDT May 25, 2026
Forecast Valid:
9pm EDT May 25, 2026-6pm EDT Jun 1, 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