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 Rain Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed Calm
Barometer 29.80 in (1010.3 mb)
Dewpoint 39°F (4°C)
Visibility 1.25 mi
Last update 10 Jan 7:53 pm EST
Extended Forecast for

Williamsburg PA

Wind Advisory January 11, 10:00am until January 12, 01:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. Light and variable wind becoming west 6 to 11 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Rain Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: A chance of snow showers, mainly after 10am. The snow could be heavy at times. Partly sunny, with a high near 38. Breezy, with a west wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 30%.

    High: 38 °F

    Heavy Snow
    and Breezy

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 8pm. Mostly cloudy, with a low around 25. Breezy, with a west wind 15 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West wind 9 to 13 mph, with gusts as high as 25 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. West wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 50%.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Rain

Detailed Forecast

Tonight
Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. Light and variable wind becoming west 6 to 11 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of snow showers, mainly after 10am. The snow could be heavy at times. Partly sunny, with a high near 38. Breezy, with a west wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of snow showers before 8pm. Mostly cloudy, with a low around 25. Breezy, with a west wind 15 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 39. West wind 9 to 13 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 28. West wind 6 to 9 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 50%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A chance of snow showers. Partly sunny, with a high near 36. Chance of precipitation is 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:
7:11 pm EST Jan 10, 2026
Forecast Valid:
8pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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