Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

A Few Clouds

18°F

-8°C

Humidity 68%
Wind Speed W 3 mph
Barometer 29.85 in (1013.1 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 18 Jan 11:53 pm EST
Extended Forecast for

4 Miles WNW Williamsburg PA

Cold Weather Advisory January 19, 09:00pm until January 20, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Calm wind becoming southwest around 5 mph after midnight.

    Low: 18 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly cloudy, with a high near 29. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 29 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Wind chill values as low as -10. West wind 10 to 18 mph, with gusts as high as 39 mph.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. Wind chill values as low as -10. West wind 10 to 13 mph, with gusts as high as 30 mph.

    High: 17 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7. West wind around 5 mph becoming calm  in the evening.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow showers after 1pm.  Partly sunny, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers.  Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Thursday Night

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

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. Calm wind becoming southwest around 5 mph after midnight.
M.L.King Day
Mostly cloudy, with a high near 29. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night
Partly cloudy, with a low around 6. Wind chill values as low as -10. West wind 10 to 18 mph, with gusts as high as 39 mph.
Tuesday
Mostly sunny, with a high near 17. Wind chill values as low as -10. West wind 10 to 13 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 7. West wind around 5 mph becoming calm in the evening.
Wednesday
A chance of snow showers after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
A chance of snow showers. Partly sunny, with a high near 25. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 8. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Partly sunny, with a high near 18. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
10:59 pm EST Jan 18, 2026
11pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database