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 55%
Wind Speed NW 13 mph
Barometer 29.85 in (1009.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 9:53 am EDT
Extended Forecast for

6 Miles SW Williamsburg PA

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. West wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. West wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. West wind 3 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 77. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 56. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 76. West wind 7 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 57. West wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80. West wind 3 to 8 mph.
Sunday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Williamsburg PA
 40.41°N 78.27°W (Elev. 1122 ft)
Last Update:
8:06 am EDT Jun 19, 2026
Forecast Valid:
10am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation