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

58°F

14°C

Humidity 84%
Wind Speed N 14 mph
Barometer 29.73 in (1006.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 22 Mar 10:53 pm EDT
Extended Forecast for

Waterfall PA

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could be severe. Low around 42. North wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Severe
    Thunderstorms

  • Monday

    Monday: A chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 51. Northwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Northwest wind 3 to 6 mph. Winds could gust as high as 24 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 50. Calm wind.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could be severe. Low around 42. North wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 51. Northwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 26. Northwest wind 3 to 6 mph. Winds could gust as high as 24 mph.
Tuesday
Sunny, with a high near 50. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 31. Calm wind.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly cloudy, with a high near 66.
Thursday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
A chance of showers before 2pm. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 55.
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:
11:01 pm EDT Mar 22, 2026
Forecast Valid:
11pm EDT Mar 22, 2026-6pm EDT Mar 29, 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