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

27°F

-3°C

Humidity 45%
Wind Speed SW 10 mph
Barometer 29.85 in (1013.1 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 16 Jan 1:53 pm EST
Extended Forecast for

Waterfall PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 33. South wind around 6 mph.

    High: 33 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of snow, mainly before 1am. Increasing clouds, with a low around 24. Calm wind. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a slight chance of rain and snow after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. Calm wind becoming west around 6 mph in the morning.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 17 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 33. South wind around 6 mph.
Tonight
A chance of snow, mainly before 1am. Increasing clouds, with a low around 24. Calm wind. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 1pm, then a slight chance of rain and snow after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 23. Calm wind.
Sunday
Mostly cloudy, with a high near 30. Calm wind becoming west around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 19.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterfall PA
 40.13°N 78.06°W (Elev. 942 ft)
Last Update:
2:04 pm EST Jan 16, 2026
Forecast Valid:
2pm EST Jan 16, 2026-6pm EST Jan 22, 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