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

30°F

-1°C

Humidity 64%
Wind Speed W 13 G 22 mph
Barometer 30.24 in (1025.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 1 Dec 12:53 am EST
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly after 5am. Increasing clouds, with a low around 24. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow, possibly mixed with rain before 4pm, then a chance of snow. The snow could be heavy at times. High near 39. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Northwest wind 5 to 7 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 37. Northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Snow likely, mainly after 5am. Increasing clouds, with a low around 24. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Snow, possibly mixed with rain before 4pm, then a chance of snow. The snow could be heavy at times. High near 39. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Mostly cloudy, with a low around 23. Northwest wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 32.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
Last Update:
1:18 am EST Dec 1, 2025
Forecast Valid:
1am EST Dec 1, 2025-6pm EST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation