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.

Mostly Cloudy

61°F

16°C

Humidity 56%
Wind Speed Calm
Barometer 29.92 in (1012.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 2:53 am EDT
Extended Forecast for

Waterfall PA

  • Overnight

    Overnight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Light west wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Light west wind.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Slight Chance
    Rain then
    Rain Likely

  • Monday

    Monday: Rain, with thunderstorms also possible after 11am. High near 77. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Rain

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 59. Calm wind.
Saturday
Mostly sunny, with a high near 79. Light west wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 56. Light west wind.
Sunday
Mostly sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, with thunderstorms also possible after 11am. High near 77. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am. Low around 60. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 83. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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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:
2:16 am EDT Jun 20, 2026
Forecast Valid:
3am EDT Jun 20, 2026-6pm EDT Jun 26, 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