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

45°F

7°C

Humidity 86%
Wind Speed SE 3 mph
Barometer 30.07 in (1018.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 16 May 3:53 am EDT
Extended Forecast for

3 Miles NW Williamsburg PA

  • Today

    Today: Increasing clouds, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southwest wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Light west wind. Chance of precipitation is 20%.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southwest wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Light west wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 60. Calm wind.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Williamsburg PA
 40.5°N 78.23°W (Elev. 1362 ft)
Last Update:
2:56 am EDT May 16, 2026
Forecast Valid:
4am EDT May 16, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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