National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

59°F

15°C

Humidity 96%
Wind Speed Calm
Barometer 30.15 in (1020.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 15 Aug 3:53 am EDT
Extended Forecast for

Waterloo NY

  • Today

    Today: Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Light and variable wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Light south wind.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 20%.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 82. Southwest wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 66. Light and variable wind.
Saturday
Sunny, with a high near 91. Light south wind.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 82. Southwest wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo NY
 42.9°N 76.87°W (Elev. 499 ft)
Last Update:
1:22 am EDT Aug 15, 2025
Forecast Valid:
4am EDT Aug 15, 2025-6pm EDT Aug 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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