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

43°F

6°C

Humidity 60%
Wind Speed N 9 mph
Barometer 30.08 in (1019.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 27 Mar 1:53 pm EDT
Extended Forecast for

Williamsburg PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 50. North wind around 5 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Calm wind becoming northwest 5 to 7 mph in the evening.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Light west wind.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 50. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 27. Calm wind becoming northwest 5 to 7 mph in the evening.
Saturday
Sunny, with a high near 45. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 28. Light west wind.
Sunday
Partly sunny, with a high near 59. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 64.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Wednesday
Showers likely. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
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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:
2:21 pm EDT Mar 27, 2026
Forecast Valid:
2pm EDT Mar 27, 2026-6pm EDT Apr 2, 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