Harman US

Williamson, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Williamson, a community in Wayne County, New York.

This Afternoon
67°F
Mostly Sunny
Mostly sunny, with a high near 67. North wind around 7 mph.

7-day forecast for Williamson

WhenTempForecastWindPrecip
This Afternoon 67°F Mostly Sunny 7 mph N 0%
Tonight 50°F Mostly Cloudy 6 mph NE 1%
Saturday 66°F Mostly Sunny 7 mph E 1%
Saturday Night 54°F Mostly Cloudy then Chance Rain Showers 6 mph SE 50%
Sunday 66°F Rain Showers Likely 6 to 10 mph E 65%
Sunday Night 53°F Chance Rain Showers then Mostly Cloudy 7 to 12 mph NE 26%
Monday 62°F Partly Sunny 14 mph NE 0%
Monday Night 50°F Mostly Cloudy 7 to 12 mph NE 9%
Tuesday 62°F Slight Chance Rain Showers 8 to 12 mph E 22%
Tuesday Night 48°F Slight Chance Rain Showers 6 to 10 mph E 19%
Wednesday 62°F Chance Rain Showers 10 mph E 27%
Wednesday Night 49°F Chance Showers And Thunderstorms 6 to 9 mph E 36%
Thursday 63°F Chance Showers And Thunderstorms 9 mph E 36%
Thursday Night 52°F Chance Rain Showers 3 to 7 mph NE 33%

Forecast source: National Weather Service (api.weather.gov) for Williamson (43.223, -77.184). Updated through the day.

Growing snapshot for Williamson

Last spring frost
May 6
First fall frost
Oct 10
Growing season
158 days
Hardiness zone
6b

More local growing data for Williamson: nearby ZIP 14589 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Sodus 1W, Ny (4.3 mi from Williamson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.