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.

Partly Cloudy

30°F

-1°C

Humidity 61%
Wind Speed NW 17 G 28 mph
Barometer 30.14 in (1022.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 4 Dec 2:53 pm EST
Extended Forecast for

Williamsburg PA

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 31. Calm wind becoming south around 6 mph in the morning.

    High: 31 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 41. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 41 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Light west wind.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Increasing clouds, with a high near 31. Calm wind becoming south around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 20. Calm wind.
Saturday
Mostly cloudy, with a high near 41. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 26. Light west wind.
Sunday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
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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:
1:46 pm EST Dec 4, 2025
Forecast Valid:
3pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
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