National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Light Snow

27°F

-3°C

Humidity 78%
Wind Speed W 20 G 30 mph
Barometer 30.01 in (1017.9 mb)
Dewpoint 21°F (-6°C)
Visibility 2.50 mi
Wind Chill13°F (-11°C)
Last update 11 Jan 4:53 pm EST
Extended Forecast for

Williamsburg PA

Wind Advisory January 11, 05:04pm until January 12, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 11, 05:04pm until January 12, 01:00am

    NOW until 1:00am Mon

    Wind Advisory

  • This Afternoon

    High: 38 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: A chance of snow showers, mainly before 8pm. Partly cloudy, with a low around 26. West wind 10 to 18 mph, with gusts as high as 43 mph. Chance of precipitation is 40%.

    Low: 26 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. West wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Southwest wind 3 to 6 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

    High: 45 °F

    Chance
    Showers then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Rain Likely

Detailed Forecast

This Afternoon
Snow showers likely. Mostly cloudy, with a high near 38. West wind around 17 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow showers, mainly before 8pm. Partly cloudy, with a low around 26. West wind 10 to 18 mph, with gusts as high as 43 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 40. West wind 7 to 11 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 28. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 3 to 6 mph.
Tuesday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Wednesday
A chance of showers before 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Thursday
A chance of snow. Partly sunny, with a high near 33. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 20.
Saturday
A chance of snow showers. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 30.
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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:
3:41 pm EST Jan 11, 2026
Forecast Valid:
5pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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