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.

A Few Clouds

79°F

26°C

Humidity 49%
Wind Speed SE 7 mph
Barometer 30.30 in (1025.5 mb)
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Heat Index80°F (27°C)
Last update 5 Aug 3:53 pm EDT
Extended Forecast for

Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. Light east wind.
Wednesday
Partly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny and hot, with a high near 92.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A chance of showers. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.47°N 78.2°W (Elev. 994 ft)
Last Update:
4:32 pm EDT Aug 5, 2025
Forecast Valid:
4pm EDT Aug 5, 2025-6pm EDT Aug 12, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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