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

25°F

-4°C

Humidity 55%
Wind Speed W 16 G 23 mph
Barometer 29.73 in (1008.9 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 2 Jan 2:53 pm EST
Extended Forecast for

Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. West wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 30. Light west wind.

    High: 30 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 32. Light west wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. West wind 5 to 9 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, with a high near 30. Light west wind.
Saturday Night
A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 32. Light west wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 17. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
A chance of rain after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly cloudy, with a high near 48.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.48°N 78.23°W (Elev. 942 ft)
Last Update:
1:34 pm EST Jan 2, 2026
Forecast Valid:
3pm EST Jan 2, 2026-6pm EST Jan 9, 2026
 
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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