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

55°F

13°C

Humidity 87%
Wind Speed W 8 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 23 Apr 5:53 am EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 78. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 64. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 52. Light and variable wind.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 78. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 64. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 67.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Tuesday
Showers. High near 66. Chance of precipitation is 80%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.29°W (Elev. 988 ft)
Last Update:
4:51 am EDT Apr 23, 2026
Forecast Valid:
6am EDT Apr 23, 2026-6pm EDT Apr 29, 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