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.

Fair

41°F

5°C

Humidity 70%
Wind Speed S 6 mph
Barometer 30.18 in (1023.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 8 Jan 5:53 pm EST
Extended Forecast for

Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Calm wind becoming southeast around 6 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly between 10am and 3pm. Increasing clouds, with a high near 55. Southeast wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 40. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 46. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Saturday Night

    Saturday Night: A chance of rain showers before 4am, then a slight chance of snow showers. Mostly cloudy, with a low around 34. Calm wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow showers, mainly after 7am. Partly sunny, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. Calm wind becoming southeast around 6 mph after midnight.
Friday
Rain likely, mainly between 10am and 3pm. Increasing clouds, with a high near 55. Southeast wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 40. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 46. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A chance of rain showers before 4am, then a slight chance of snow showers. Mostly cloudy, with a low around 34. Calm wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A chance of snow showers, mainly after 7am. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A chance of showers. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 33.
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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:
1:05 pm EST Jan 8, 2026
Forecast Valid:
6pm EST Jan 8, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation