National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

58°F

14°C

Humidity 46%
Wind Speed S 14 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Mar 10:53 am EDT
Extended Forecast for

Williamsburg PA

  • Today

    Today: Rain, mainly after 3pm. High near 63. Southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain

  • Tonight

    Tonight: A chance of rain and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Northwest wind 3 to 5 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 2pm. Partly sunny, with a high near 74. Light south wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain Likely

  • Monday

    Monday: Rain likely before 8am. Partly sunny, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly after 3pm. High near 63. Southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 59. Northwest wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 42. Calm wind.
Sunday
A slight chance of rain after 2pm. Partly sunny, with a high near 74. Light south wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain likely before 8am. Partly sunny, with a high near 52. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.48°N 78.23°W (Elev. 942 ft)
Last Update:
10:51 am EDT Mar 20, 2026
Forecast Valid:
11am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation