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.

Fair

33°F

1°C

Humidity 52%
Wind Speed W 15 mph
Barometer 30.08 in (1019.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 13 Jan 12:53 am EST
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Overnight

    Overnight: Mostly clear, with a low around 29. Southwest wind around 7 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 48. South wind 5 to 7 mph.

    High: 48 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Southwest wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 1pm. High near 47. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then a slight chance of snow after 1am. Mostly cloudy, with a low around 17. West wind 7 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 17 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of snow showers before 1pm. Partly sunny, with a high near 24. Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Southwest wind around 7 mph.
Tuesday
Increasing clouds, with a high near 48. South wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 39. Southwest wind around 7 mph.
Wednesday
Rain, mainly after 1pm. High near 47. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then a slight chance of snow after 1am. Mostly cloudy, with a low around 17. West wind 7 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A slight chance of snow showers before 1pm. Partly sunny, with a high near 24. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 12.
Friday
A chance of snow showers after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
A chance of snow showers. Partly sunny, with a high near 38. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 13.
M.L.King Day
Partly sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
Last Update:
1:05 am EST Jan 13, 2026
Forecast Valid:
1am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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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