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.

A Few Clouds

63°F

17°C

Humidity 73%
Wind Speed Calm
Barometer 30.16 in (1020.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 May 4:53 am EDT
Extended Forecast for

Altoona PA

  • Today

    Today: A chance of showers and thunderstorms after 4pm. Increasing clouds and hot, with a high near 94. Calm wind becoming southwest 5 to 7 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: 94 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Light south wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 93. West wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. West wind around 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms after 4pm. Increasing clouds and hot, with a high near 94. Calm wind becoming southwest 5 to 7 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.
Tonight
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Light south wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny and hot, with a high near 93. West wind 5 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 68. West wind around 7 mph.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. 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 48.
Thursday
A chance of showers before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
Showers. Low around 50. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altoona PA
 40.51°N 78.4°W (Elev. 1198 ft)
Last Update:
4:11 am EDT May 18, 2026
Forecast Valid:
5am EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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