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

54°F

12°C

Humidity 67%
Wind Speed E 3 mph
Barometer 29.75 in (1008.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Nov 7:53 pm EST
Extended Forecast for

Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers. Patchy fog before 10am. High near 54. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Friday

    Friday: Mostly cloudy, with a high near 44. Northwest wind around 10 mph, with gusts as high as 24 mph.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Calm wind.
Thursday
Showers. Patchy fog before 10am. High near 54. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 44. Northwest wind around 10 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 28. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.48°N 78.23°W (Elev. 942 ft)
Last Update:
8:21 pm EST Nov 11, 2026
Forecast Valid:
8pm EST Nov 11, 2026-6pm EST Nov 18, 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