Williamsville, NY Weather & Growing Conditions
Today
70°F
Mostly Cloudy
Mostly cloudy, with a high near 70. East wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Mostly Cloudy | 6 mph E | 1% |
| Tonight | 56°F | Chance Rain Showers | 3 to 7 mph E | 52% |
| Sunday | 66°F | Rain Showers Likely | 2 to 9 mph NE | 70% |
| Sunday Night | 49°F | Mostly Cloudy | 3 to 8 mph NE | 3% |
| Monday | 62°F | Mostly Cloudy | 10 mph NE | 0% |
| Monday Night | 46°F | Mostly Cloudy | 6 to 9 mph NE | 3% |
| Tuesday | 63°F | Mostly Cloudy | 7 to 12 mph E | 10% |
| Tuesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 12 mph E | 17% |
| Wednesday | 64°F | Chance Rain Showers | 7 to 10 mph E | 28% |
| Wednesday Night | 48°F | Chance Rain Showers | 5 to 10 mph E | 33% |
| Thursday | 65°F | Chance Rain Showers | 6 to 9 mph E | 32% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 3 to 9 mph E | 19% |
| Friday | 68°F | Slight Chance Rain Showers then Partly Sunny | 5 to 8 mph NE | 16% |
| Friday Night | 48°F | Partly Cloudy | 3 to 7 mph NE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamsville, NY
Last spring frost
Apr 24
First fall frost
Oct 26
Growing season
183 days
Hardiness zone
6b
Explore more for Williamsville, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Buffalo, Ny (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.