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.

Overcast

46°F

8°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.12 in (1020.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 5 Mar 11:53 am EST
Extended Forecast for

Williamsburg PA

  • Today

    Today: Rain. Areas of dense fog before 2pm. High near 51. Light east wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Areas Dense
    Fog

  • Tonight

    Tonight: Rain, mainly before 11pm. Patchy fog after 5am. Low around 46. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: A chance of rain, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 58. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 48. Light southeast wind. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 70. South wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 1am, then a chance of rain after 1am. Low around 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Rain. Areas of dense fog before 2pm. High near 51. Light east wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 11pm. Patchy fog after 5am. Low around 46. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 58. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 48. Light southeast wind. Chance of precipitation is 20%.
Saturday
A chance of rain before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 70. South wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 1am, then a chance of rain after 1am. Low around 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 50.
Tuesday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.45°N 78.21°W (Elev. 1086 ft)
Last Update:
7:06 am EST Mar 5, 2026
Forecast Valid:
11am EST Mar 5, 2026-6pm EDT Mar 11, 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