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.

A Few Clouds

81°F

27°C

Humidity 72%
Wind Speed Calm
Barometer 30.15 in (1019.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Jul 12:53 pm EDT
Extended Forecast for

Waterfall PA

  • This Afternoon

    This Afternoon: A slight chance of showers before 2pm. Partly sunny, with a high near 90. Calm wind. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Areas Fog
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 68. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers before 2pm. Partly sunny, with a high near 90. Calm wind. Chance of precipitation is 20%.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 68. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterfall PA
 40.13°N 78.06°W (Elev. 942 ft)
Last Update:
1:29 pm EDT Jul 15, 2025
Forecast Valid:
1pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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