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.

Overcast

56°F

13°C

Humidity 70%
Wind Speed NW 9 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 May 9:53 am EDT
Extended Forecast for

Williamsburg PA

  • Today

    Today: Mostly sunny, with a high near 69. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Northwest wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am. Low around 51. East wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers. High near 60. Southeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 60 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Showers. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 2pm. Partly sunny, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 69. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 41. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 71. Calm wind.
Tuesday Night
Showers, mainly after 2am. Low around 51. East wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers. High near 60. Southeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday
Showers. High near 58. Chance of precipitation is 90%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Friday
Showers likely, mainly after 2pm. Partly sunny, with a high near 62. Chance of precipitation is 70%.
Friday Night
Showers likely before 8pm. Partly cloudy, with a low around 45. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
A chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
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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 ft)
Last Update:
7:41 am EDT May 19, 2025
Forecast Valid:
10am EDT May 19, 2025-6pm EDT May 25, 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