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.

Fair

19°F

-7°C

Humidity 68%
Wind Speed W 9 mph
Barometer 30.16 in (1023.6 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 17 Mar 9:53 pm EDT
Extended Forecast for

Waterfall PA

  • Tonight

    Tonight: Mostly clear, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Calm wind becoming south around 5 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 51. Light south wind.

    High: 51 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Saturday Night

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

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 17. Calm wind.
Wednesday
Mostly sunny, with a high near 39. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind.
Thursday
Partly sunny, with a high near 51. Light south wind.
Thursday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 54.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Mostly sunny, with a high near 48.
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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:
2:21 pm EDT Mar 17, 2026
Forecast Valid:
10pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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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