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.

Mostly Cloudy

50°F

10°C

Humidity 52%
Wind Speed NW 10 G 21 mph
Barometer 29.92 in (1013.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Nov 2:53 pm EST
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly cloudy, with a high near 51. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 33 mph.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. West wind 6 to 9 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Periods of rain, mainly after 1pm. High near 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.

    High: 62 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog before 2am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 30. Calm wind.
Sunday
Mostly cloudy, with a high near 51. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 33 mph.
Sunday Night
Mostly clear, with a low around 32. West wind 6 to 9 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 53. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 35. Calm wind.
Tuesday
Periods of rain, mainly after 1pm. High near 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thanksgiving Day
Partly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 38.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 40.
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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:
2:01 pm EST Nov 22, 2025
Forecast Valid:
3pm EST Nov 22, 2025-6pm EST Nov 29, 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