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.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in (1021.0 mb)
Dewpoint 41°F (5°C)
Visibility 4.00 mi
Last update 5 Mar 7:53 am EST
Extended Forecast for

Waterfall PA

  • Today

    Today: Rain, with thunderstorms also possible after 4pm. Areas of dense fog before 2pm. High near 53. Light southeast wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain Likely
    and Areas
    Dense Fog
    then Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 4am. Patchy fog after 5am. Low around 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: A slight chance of rain after 7am. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 59. Calm wind. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Rain and
    Areas Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 1pm, then showers likely after 1pm. Mostly cloudy, with a high near 71. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely before 1am, then a slight chance of rain after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Rain, with thunderstorms also possible after 4pm. Areas of dense fog before 2pm. High near 53. Light southeast wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 4am. Patchy fog after 5am. Low around 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A slight chance of rain after 7am. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 59. Calm wind. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 47. Calm wind.
Saturday
A slight chance of rain before 1pm, then showers likely after 1pm. Mostly cloudy, with a high near 71. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely before 1am, then a slight chance of rain after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 48.
Tuesday
A chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
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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:
7:06 am EST Mar 5, 2026
Forecast Valid:
8am EST Mar 5, 2026-6pm EDT Mar 11, 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