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.

Fair

74°F

23°C

Humidity 82%
Wind Speed W 5 mph
Barometer 30.05 in (1016.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 1 Sep 10:53 pm EDT
Extended Forecast for

3 Miles WNW Calvin PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after midnight. Some of the storms could be severe. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

    Low: 70 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 86. Light southwest wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could be severe. Mostly cloudy, with a low around 71. South wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Severe
    Thunderstorms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. West wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms after midnight. Some of the storms could be severe. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 86. Light southwest wind. 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 before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could be severe. Mostly cloudy, with a low around 71. South wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. West wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 59.
Labor Day
Mostly sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Calvin PA
 40.33°N 78.08°W (Elev. 1585 ft)
Last Update:
10:36 pm EDT Sep 1, 2026
Forecast Valid:
11pm EDT Sep 1, 2026-6pm EDT Sep 8, 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