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

49°F

9°C

Humidity 56%
Wind Speed SW 9 mph
Barometer 30.04 in (1017.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 9 Mar 8:53 am EDT
Extended Forecast for

Williamsburg PA

  • Today

    Today: Sunny, with a high near 69. Southwest wind 3 to 8 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 47. Calm wind.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 75 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 74. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely, mainly before 8am. Partly sunny, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.

    High: 52 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 69. Southwest wind 3 to 8 mph.
Tonight
Clear, with a low around 47. Calm wind.
Tuesday
A slight chance of showers after 2pm. Sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 74. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain showers before 5am, then rain and snow showers likely. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow showers likely, mainly before 8am. Partly sunny, with a high near 45. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 28.
Friday
A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
Friday Night
A chance of rain showers, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
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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:
8:05 am EDT Mar 9, 2026
Forecast Valid:
9am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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