Current conditions at
Penn Yan, Penn Yan Airport (KPEO)
Lat: 42.64°NLon: 77.05°WElev: 902ft.
A Few Clouds
77°F
25°C
| Humidity | 47% |
| Wind Speed | NW 6 mph |
| Barometer | 29.97 in (1014.3 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 18 Aug 11:53 am EDT |
Extended Forecast for
Waterloo NYSimilar City Names
This Afternoon
High: 79 °F
Mostly Sunny
Tonight
Low: 61 °F
Partly Cloudy
Wednesday
High: 79 °F
Mostly Sunny
then Showers
LikelyWednesday Night
Low: 58 °F
Chance
Showers then
Partly CloudyThursday
High: 78 °F
Mostly Sunny
Thursday Night
Low: 55 °F
Mostly Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 81 °F
Sunny then
Chance
Showers
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 79. North wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 61. Calm wind.
Wednesday
A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 79. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 60.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.
Monday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Waterloo NYSimilar City Names
42.9°N 76.87°W (Elev. 499 ft)
42.9°N 76.87°W (Elev. 499 ft)
6:00 am EDT Aug 18, 2026
12pm EDT Aug 18, 2026-6pm EDT Aug 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
