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.

Fog/Mist

18°C

64°F

Humidity 96%
Wind Speed NE 9 km/h
Barometer 1018.3 mb (30.09 in)
Dewpoint 17°C (63°F)
Visibility 2.01 km
Last update 14 Jun 9:53 pm EDT
Extended Forecast for

Williamsburg PA

  • Tonight

    Tonight: Scattered showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 16. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 16 °C

    Scattered
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 19. East wind 3 to 8 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 19 °C

    Scattered
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Patchy fog before midnight. Otherwise, cloudy, with a low around 16. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 16 °C

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers. Cloudy, with a high near 21. Southeast wind 3 to 8 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    High: 21 °C

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Cloudy, with a low around 16. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 16 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 25. Chance of precipitation is 70%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 25 °C

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °C

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely after 2pm. Partly sunny, with a high near 29. Chance of precipitation is 60%.

    High: 29 °C

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 8pm. Partly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °C

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 16. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Sunday
Scattered showers, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 19. East wind 3 to 8 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Sunday Night
A chance of showers and thunderstorms. Patchy fog before midnight. Otherwise, cloudy, with a low around 16. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Monday
A chance of showers. Cloudy, with a high near 21. Southeast wind 3 to 8 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Cloudy, with a low around 16. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 25. Chance of precipitation is 70%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Wednesday
Showers likely after 2pm. Partly sunny, with a high near 29. Chance of precipitation is 60%.
Wednesday Night
Showers likely, with thunderstorms also possible after 8pm. Partly cloudy, with a low around 21. Chance of precipitation is 60%.
Juneteenth
Showers likely, mainly after 2pm. Partly sunny, with a high near 29. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 16.
Saturday
Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.48°N 78.23°W (Elev. 942 m)
Last Update:
9:02 pm EDT Jun 14, 2025
Forecast Valid:
10pm EDT Jun 14, 2025-6pm EDT Jun 21, 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