Williamsville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williamsville, a village in Erie County, New York.
Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. South wind around 7 mph.
7-day forecast for Williamsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 7 mph S | 0% |
| Wednesday | 78°F | Partly Sunny | 6 to 10 mph S | 5% |
| Wednesday Night | 58°F | Rain Showers | 9 to 14 mph S | 89% |
| Thursday | 65°F | Chance Rain Showers then Partly Sunny | 14 to 21 mph SW | 53% |
| Thursday Night | 50°F | Chance Rain Showers | 5 to 12 mph SW | 29% |
| Friday | 60°F | Chance Rain Showers | 6 mph SW | 47% |
| Friday Night | 42°F | Rain Showers Likely | 5 mph W | 66% |
| Saturday | 52°F | Rain Showers Likely | 8 mph W | 66% |
| Saturday Night | 37°F | Rain Showers Likely | 8 mph NW | 57% |
| Sunday | 53°F | Slight Chance Rain Showers | 8 to 16 mph W | 16% |
| Sunday Night | 36°F | Slight Chance Rain Showers | 7 to 13 mph W | 22% |
| Monday | 54°F | Slight Chance Rain Showers | 8 to 15 mph W | 20% |
| Monday Night | 40°F | Slight Chance Rain Showers then Partly Cloudy | 8 to 12 mph SW | 19% |
| Tuesday | 56°F | Slight Chance Rain Showers | 13 to 18 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Williamsville (42.958, -78.740). Updated through the day.
Growing snapshot for Williamsville
Last spring frost
Apr 24
First fall frost
Oct 26
Growing season
183 days
Hardiness zone
6b
More local growing data for Williamsville: nearby ZIP 14221 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Buffalo, Ny (2.6 mi from Williamsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.