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

44°F

7°C

Humidity 68%
Wind Speed W 3 mph
Barometer 30.09 in (1019.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Nov 8:53 pm EST
Extended Forecast for

4 Miles NNE Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. West wind 5 to 11 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. Southwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain. High near 56. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.

    Low: 34 °F

    Showers
    Likely

  • Friday

    Friday: A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.

    High: 46 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 66. West wind 5 to 11 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 35. Southwest wind around 5 mph becoming calm in the evening.
Veterans Day
Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.
Thursday
Rain. High near 56. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Friday
A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Williamsburg PA
 40.51°N 78.17°W (Elev. 804 ft)
Last Update:
7:06 pm EST Nov 9, 2026
Forecast Valid:
9pm EST Nov 9, 2026-6pm EST Nov 16, 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