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 Snow

37°F

3°C

Humidity 67%
Wind Speed W 12 mph
Barometer 29.93 in (1015.2 mb)
Dewpoint 27°F (-3°C)
Visibility 7.00 mi
Wind Chill29°F (-2°C)
Last update 17 Jan 1:53 pm EST
Extended Forecast for

Waterfall PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. West wind around 6 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow showers, mainly before 3am, then a slight chance of snow after 5am. Increasing clouds, with a low around 24. Calm wind. Chance of precipitation is 30%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 31. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 31. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 28 mph.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. West wind around 6 mph.
Tonight
A chance of snow showers, mainly before 3am, then a slight chance of snow after 5am. Increasing clouds, with a low around 24. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 31. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 17. Calm wind.
M.L.King Day
Partly sunny, with a high near 31. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 28 mph.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 8.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 14.
Friday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterfall PA
 40.13°N 78.06°W (Elev. 942 ft)
Last Update:
2:31 pm EST Jan 17, 2026
Forecast Valid:
2pm EST Jan 17, 2026-6pm EST Jan 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation