National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

49°F

9°C

Humidity 41%
Wind Speed Calm
Barometer 30.00 in (1017.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 27 Feb 1:53 pm EST
Extended Forecast for

4 Miles N Williamsburg PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. Light southwest wind.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Light south wind.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Increasing clouds, with a low around 34. Calm wind. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Clear
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain and snow before 10am, then a chance of snow between 10am and 1pm. Partly sunny, with a high near 41. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: A chance of snow after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow and freezing rain after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Wintry Mix

  • Tuesday

    Tuesday: Rain, snow, freezing rain, and sleet likely before 1pm, then rain or freezing rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

    High: 40 °F

    Wintry Mix
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 52. Light southwest wind.
Tonight
Mostly clear, with a low around 34. Light south wind.
Saturday
Mostly sunny, with a high near 56. Light and variable wind becoming west around 6 mph in the afternoon.
Saturday Night
A chance of rain after 1am. Increasing clouds, with a low around 34. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 10am, then a chance of snow between 10am and 1pm. Partly sunny, with a high near 41. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A chance of snow after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Monday Night
A chance of snow and freezing rain after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Tuesday
Rain, snow, freezing rain, and sleet likely before 1pm, then rain or freezing rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Thursday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
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:
1:41 pm EST Feb 27, 2026
Forecast Valid:
1pm EST Feb 27, 2026-6pm EST Mar 5, 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