National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog/Mist

32°F

0°C

Humidity 92%
Wind Speed SE 3 mph
Barometer 30.13 in (1021.7 mb)
Dewpoint 30°F (-1°C)
Visibility 5.00 mi
Last update 28 Dec 12:53 am EST
Extended Forecast for

3 Miles W Williamsburg PA

High Wind Watch December 29, 10:00am until December 30, 01:00pm
Click here for hazard details and duration
High Wind Watch

  • Overnight

    Overnight: Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Patchy Fog

  • Sunday

    Sunday: Showers, mainly between noon and 3pm, then a chance of rain after 3pm. High near 42. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 39. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then a slight chance of snow showers after 1pm. High near 53. Breezy, with a west wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 53 °F

    Rain/Snow
    then Chance
    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: A chance of snow showers. Mostly cloudy, with a low around 21. Windy, with a west wind 25 to 28 mph, with gusts as high as 55 mph. Chance of precipitation is 40%.

    Low: 21 °F

    Chance Snow
    Showers and
    Windy

  • Tuesday

    Tuesday: A slight chance of snow showers before 1pm. Partly sunny, with a high near 29. Windy. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow Showers
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Low: 21 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 27. Calm wind.
Sunday
Showers, mainly between noon and 3pm, then a chance of rain after 3pm. High near 42. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 39. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then a slight chance of snow showers after 1pm. High near 53. Breezy, with a west wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Windy, with a west wind 25 to 28 mph, with gusts as high as 55 mph. Chance of precipitation is 40%.
Tuesday
A slight chance of snow showers before 1pm. Partly sunny, with a high near 29. Windy. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
New Year's Day
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:07 am EST Dec 28, 2025
Forecast Valid:
1am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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