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.

Light Rain Fog/Mist

38°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.24 in (1025.3 mb)
Dewpoint 38°F (3°C)
Visibility 1.00 mi
Last update 4 Mar 10:53 am EST
Extended Forecast for

3 Miles S Waterfall PA

  • Today

    Today: A chance of showers before 1pm, then a chance of rain after 1pm. Areas of fog before 1pm. Otherwise, cloudy, with a high near 46. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance
    Showers and
    Areas Fog

  • Tonight

    Tonight: Rain, mainly after 9pm. Widespread dense fog, mainly between 10pm and 3am. Low around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain and
    Dense Fog

  • Thursday

    Thursday: Rain before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. Patchy fog before 11am. High near 59. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 47. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 62. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers before 1pm, then a chance of rain after 1pm. Areas of fog before 1pm. Otherwise, cloudy, with a high near 46. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 9pm. Widespread dense fog, mainly between 10pm and 3am. Low around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. Patchy fog before 11am. High near 59. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 47. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers. Mostly cloudy, with a high near 62. Light southeast 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 46.
Saturday
Showers likely after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Waterfall PA
 40.08°N 78.06°W (Elev. 1096 ft)
Last Update:
11:17 am EST Mar 4, 2026
Forecast Valid:
11am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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