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

26°F

-3°C

Humidity 84%
Wind Speed Calm
Barometer 29.87 in (1013.6 mb)
Dewpoint 22°F (-6°C)
Visibility 9.00 mi
Last update 6 Dec 12:53 am EST
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Overnight

    Overnight: Cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 40. Calm wind becoming west 5 to 7 mph in the morning.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27. West wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. West wind around 6 mph becoming northwest after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 25. Calm wind.
Saturday
Mostly cloudy, with a high near 40. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 27. West wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 19. West wind around 6 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Friday
A chance of snow showers. Partly sunny, with a high near 33. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.29°W (Elev. 988 ft)
Last Update:
12:56 am EST Dec 6, 2025
Forecast Valid:
1am EST Dec 6, 2025-6pm EST Dec 12, 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