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.

Mostly Cloudy

73°F

23°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.99 in (1014.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 14 Oct 12:53 pm EDT
Extended Forecast for

Williamsburg PA

  • This Afternoon

    This Afternoon: Isolated showers before 2pm, then isolated showers after 4pm. Mostly cloudy, with a high near 80. West wind around 9 mph. Chance of precipitation is 20%.

    High: 80 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly after 5pm. Increasing clouds, with a high near 66. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 55. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 76. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 8pm. Low around 38. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 63.

    High: 63 °F

    Frost then
    Sunny

Detailed Forecast

This Afternoon
Isolated showers before 2pm, then isolated showers after 4pm. Mostly cloudy, with a high near 80. West wind around 9 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, mainly after 5pm. Increasing clouds, with a high near 66. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 55. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 76. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers, mainly before 8pm. Low around 38. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 53.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.47°N 78.2°W (Elev. 994 ft)
Last Update:
8:06 am EDT Oct 14, 2026
Forecast Valid:
1pm EDT Oct 14, 2026-6pm EDT Oct 20, 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