Penn Yan, NY Weather & Growing Conditions
Tonight
56°F
Mostly Cloudy then Rain Showers
Rain showers after midnight. Mostly cloudy, with a low around 56. Southeast wind 2 to 12 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Cloudy then Rain Showers | 2 to 12 mph SE | 86% |
| Sunday | 66°F | Showers And Thunderstorms | 7 to 12 mph SW | 93% |
| Sunday Night | 48°F | Mostly Cloudy | 7 to 13 mph N | 4% |
| Monday | 61°F | Partly Sunny | 10 mph N | 0% |
| Monday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 9 mph NE | 18% |
| Tuesday | 61°F | Slight Chance Rain Showers | 7 mph NE | 21% |
| Tuesday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 7 mph E | 21% |
| Wednesday | 61°F | Partly Sunny | 3 to 9 mph E | 4% |
| Wednesday Night | 46°F | Mostly Cloudy | 7 mph E | 13% |
| Thursday | 60°F | Partly Sunny | 7 mph E | 13% |
| Thursday Night | 47°F | Mostly Cloudy | 2 to 6 mph NE | 14% |
| Friday | 63°F | Partly Sunny then Slight Chance Rain Showers | 3 to 9 mph N | 22% |
| Friday Night | 49°F | Slight Chance Rain Showers | 5 to 8 mph N | 22% |
| Saturday | 66°F | Slight Chance Rain Showers | 6 to 10 mph N | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Penn Yan, NY
Last spring frost
Apr 30
First fall frost
Oct 22
Growing season
173 days
Hardiness zone
6b
Explore more for Penn Yan, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Penn Yan Ap, Ny (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.