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Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog/Mist

36°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 29.92 in (1013.8 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Last update 18 Feb 2:53 am EST
Extended Forecast for

3 Miles W Williamsburg PA

  • Overnight

    Overnight: A slight chance of rain after 4am. Patchy dense fog. Otherwise, cloudy, with a low around 37. Calm wind. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain and
    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Rain, mainly before 4pm. Patchy dense fog before 11am. High near 54. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain
    and Patchy
    Dense Fog
    then Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain between 11pm and midnight. Mostly cloudy, with a low around 43. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 51. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 38. Southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
A slight chance of rain after 4am. Patchy dense fog. Otherwise, cloudy, with a low around 37. Calm wind. Chance of precipitation is 20%.
Wednesday
Rain, mainly before 4pm. Patchy dense fog before 11am. High near 54. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain between 11pm and midnight. Mostly cloudy, with a low around 43. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 51. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 38. Southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Sunday
Snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
Last Update:
1:41 am EST Feb 18, 2026
Forecast Valid:
3am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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