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

37°F

3°C

Humidity 96%
Wind Speed Calm
Barometer 30.19 in (1023.7 mb)
Dewpoint 36°F (2°C)
Visibility 0.50 mi
Last update 4 Mar 5:53 am EST
Extended Forecast for

Waterfall PA

  • Today

    Today: A chance of rain. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 49. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Tonight

    Tonight: Rain, mainly after 11pm. Patchy fog before 4am, then patchy fog after 5am. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 4pm. High near 62. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 49. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 63. Light south wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 49. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly after 11pm. Patchy fog before 4am, then patchy fog after 5am. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain, with thunderstorms also possible after 4pm. High near 62. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm. Low around 49. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 63. Light south wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterfall PA
 40.13°N 78.06°W (Elev. 942 ft)
Last Update:
1:34 am EST Mar 4, 2026
Forecast Valid:
6am EST Mar 4, 2026-6pm EDT Mar 10, 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