Williamson, NY Weather & Growing Conditions
Today
66°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 11am. Mostly cloudy, with a high near 66. Northeast wind 3 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Chance Rain Showers then Mostly Cloudy | 3 to 10 mph NE | 34% |
| Tonight | 51°F | Mostly Cloudy | 7 to 13 mph NE | 3% |
| Monday | 60°F | Mostly Cloudy | 14 mph NE | 0% |
| Monday Night | 48°F | Mostly Cloudy | 8 to 13 mph NE | 1% |
| Tuesday | 63°F | Mostly Cloudy | 8 to 12 mph E | 6% |
| Tuesday Night | 48°F | Mostly Cloudy | 7 to 10 mph E | 8% |
| Wednesday | 65°F | Mostly Sunny | 8 to 12 mph E | 11% |
| Wednesday Night | 48°F | Mostly Cloudy | 6 to 10 mph E | 12% |
| Thursday | 64°F | Slight Chance Rain Showers | 9 mph E | 20% |
| Thursday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 8 mph E | 19% |
| Friday | 64°F | Mostly Sunny | 3 to 9 mph NE | 8% |
| Friday Night | 51°F | Partly Cloudy | 7 mph NE | 10% |
| Saturday | 67°F | Mostly Sunny | 6 to 9 mph N | 10% |
| Saturday Night | 52°F | Mostly Cloudy | 3 to 7 mph N | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamson, NY
Last spring frost
May 6
First fall frost
Oct 10
Growing season
158 days
Hardiness zone
6b
Explore more for Williamson, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Sodus 1W, Ny (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.