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

73°F

23°C

Humidity 57%
Wind Speed SW 8 mph
Barometer 29.93 in (1012.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Apr 8:53 pm EDT
Extended Forecast for

4 Miles N Williamsburg PA

  • Tonight

    Tonight: A slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 66. West wind around 7 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 2pm. Mostly sunny, with a high near 77. Northwest wind around 7 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.

    High: 59 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 66. West wind around 7 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 2pm. Mostly sunny, with a high near 77. Northwest wind around 7 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 54. Calm wind.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsburg PA
 40.52°N 78.2°W (Elev. 997 ft)
Last Update:
8:06 pm EDT Apr 15, 2026
Forecast Valid:
9pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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