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.

Overcast

36°F

2°C

Humidity 67%
Wind Speed W 3 mph
Barometer 30.01 in (1017.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 7 Dec 5:53 pm EST
Extended Forecast for

Williamsburg PA

  • Tonight

    Tonight: Occasional flurries before 10pm. Mostly cloudy, with a low around 17. Light and variable wind becoming north 5 to 7 mph in the evening.

    Low: 17 °F

    Flurries then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27. Northeast wind 3 to 6 mph.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10. Calm wind.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35. Calm wind becoming south 5 to 8 mph in the morning.

    High: 35 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of freezing rain after 1am. Mostly cloudy, with a low around 26. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Freezing Rain

  • Wednesday

    Wednesday: Rain. High near 47. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.

    Low: 22 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Occasional flurries before 10pm. Mostly cloudy, with a low around 17. Light and variable wind becoming north 5 to 7 mph in the evening.
Monday
Partly sunny, with a high near 27. Northeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 10. Calm wind.
Tuesday
Mostly cloudy, with a high near 35. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A chance of freezing rain after 1am. Mostly cloudy, with a low around 26. Southwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday
Rain. High near 47. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Thursday
Mostly cloudy, with a high near 36.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Friday
A chance of snow showers. Partly sunny, with a high near 33. Chance of precipitation is 40%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 24.
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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:
5:53 pm EST Dec 7, 2025
Forecast Valid:
6pm EST Dec 7, 2025-6pm EST Dec 14, 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