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.

Light Rain Fog/Mist

48°F

9°C

Humidity 93%
Wind Speed Vrbl 6 mph
Barometer 29.79 in (1009.2 mb)
Dewpoint 46°F (8°C)
Visibility 3.00 mi
Wind Chill45°F (7°C)
Last update 16 Mar 12:53 am EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Overnight

    Overnight: Showers likely, mainly before 4am. Cloudy, with a low around 49. Southeast wind around 11 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could be severe. High near 68. South wind 10 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers, snow showers, and sleet, becoming all snow after 11pm, then gradually ending. Low around 22. West wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    Low: 22 °F

    Wintry Mix
    then Snow
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of snow showers after 8am. Mostly cloudy, with a high near 31. West wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18. West wind 5 to 10 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 4am. Cloudy, with a low around 49. Southeast wind around 11 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could be severe. High near 68. South wind 10 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers, snow showers, and sleet, becoming all snow after 11pm, then gradually ending. Low around 22. West wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers after 8am. Mostly cloudy, with a high near 31. West wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 18. West wind 5 to 10 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 56.
Friday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 54.
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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:
1:01 am EDT Mar 16, 2026
Forecast Valid:
1am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation