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

50°F

10°C

Humidity 93%
Wind Speed Calm
Barometer 30.26 in (1024.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 10:53 pm EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of light rain, mainly before noon. Cloudy, with a high near 63. Light east wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Light
    Rain

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 66. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog between 7am and 8am. Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. Calm wind.
Sunday
A chance of light rain, mainly before noon. Cloudy, with a high near 63. Light east wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 50. Calm wind.
Monday
Mostly sunny, with a high near 66. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog between 7am and 8am. Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 64.
Tuesday Night
Clear, with a low around 41.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
Last Update:
8:06 pm EDT Oct 3, 2026
Forecast Valid:
11pm EDT Oct 3, 2026-6pm EDT Oct 10, 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