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.

Fair

46°F

8°C

Humidity 46%
Wind Speed SE 3 mph
Barometer 30.21 in (1023.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 24 Nov 5:53 pm EST
Extended Forecast for

4 Miles NNE Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Light southeast wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Periods of rain, mainly after noon. High near 52. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Showers, mainly before 1am. Low around 44. South wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. West wind 13 to 15 mph, with gusts as high as 33 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Light southeast wind.
Tuesday
Periods of rain, mainly after noon. High near 52. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers, mainly before 1am. Low around 44. South wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 29. West wind 13 to 15 mph, with gusts as high as 33 mph.
Thanksgiving Day
Mostly cloudy, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 38.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Monday
Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Williamsburg PA
 40.51°N 78.17°W (Elev. 804 ft)
Last Update:
3:36 pm EST Nov 24, 2025
Forecast Valid:
6pm EST Nov 24, 2025-6pm EST Dec 1, 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