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

49°F

9°C

Humidity 55%
Wind Speed N 13 mph
Barometer 30.14 in (1021.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 16 Oct 10:53 am EDT
Extended Forecast for

Williamsburg PA

  • Today

    Today: Sunny, with a high near 62. North wind around 10 mph, with gusts as high as 21 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. Northwest wind around 6 mph becoming calm after midnight.

    Low: 33 °F

    Clear then
    Frost

  • Friday

    Friday: Widespread frost before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 64 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Increasing clouds, with a low around 42. Calm wind. Chance of precipitation is 20%.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 48. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 62. North wind around 10 mph, with gusts as high as 21 mph.
Tonight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. Northwest wind around 6 mph becoming calm after midnight.
Friday
Widespread frost before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
A slight chance of showers after 2am. Increasing clouds, with a low around 42. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 48. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.48°N 78.23°W (Elev. 942 ft)
Last Update:
11:11 am EDT Oct 16, 2025
Forecast Valid:
11am EDT Oct 16, 2025-6pm EDT Oct 22, 2025
 
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