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.

Overcast

28°F

-2°C

Humidity 63%
Wind Speed NW 15 G 30 mph
Barometer 30.18 in (1023.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 12:53 am EST
Extended Forecast for

4 Miles NNE Williamsburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 26. West wind 11 to 15 mph, with gusts as high as 32 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Southwest wind around 7 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 47. Southwest wind 3 to 6 mph.

    High: 47 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 37. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely, mainly before 7am. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.

    High: 33 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.

    Low: 16 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. West wind 11 to 15 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 40. West wind 9 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 28. Southwest wind around 7 mph.
Tuesday
Increasing clouds, with a high near 47. Southwest wind 3 to 6 mph.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 37. Southwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 4am, then snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Thursday
Snow likely, mainly before 7am. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 20.
Saturday
A chance of snow showers. Partly sunny, with a high near 36. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Williamsburg PA
 40.51°N 78.17°W (Elev. 804 ft)
Last Update:
1:05 am EST Jan 12, 2026
Forecast Valid:
1am EST Jan 12, 2026-6pm EST Jan 18, 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