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

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in (1014.3 mb)
Dewpoint 34°F (1°C)
Visibility 4.00 mi
Last update 15 Feb 6:53 pm EST
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Tonight

    Tonight: A chance of rain before 9pm. Patchy fog. Otherwise, cloudy, with a low around 34. Calm wind. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 20%.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of rain before 9pm. Patchy fog. Otherwise, cloudy, with a low around 34. Calm wind. Chance of precipitation is 40%.
Washington's Birthday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. Calm wind.
Monday Night
Partly cloudy, with a low around 33. Calm wind.
Tuesday
Mostly sunny, with a high near 54. Calm wind.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 57.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
A chance of rain. Partly sunny, with a high near 46. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
A chance of rain. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.29°W (Elev. 988 ft)
Last Update:
7:05 pm EST Feb 15, 2026
Forecast Valid:
7pm EST Feb 15, 2026-6pm EST Feb 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