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

74°F

23°C

Humidity 62%
Wind Speed NE 6 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 25 May 5:53 pm EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Light north wind.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 79. Light and variable wind.

    High: 79 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Light north wind.
Tuesday
Mostly cloudy, with a high near 79. Light and variable wind.
Tuesday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 58. Calm wind.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
Last Update:
2:36 pm EDT May 25, 2026
Forecast Valid:
5pm EDT May 25, 2026-6pm EDT Jun 1, 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