West Sayville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Sayville, a community in Suffolk County, New York.
Today
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 63 in the afternoon. South wind around 10 mph.
7-day forecast for West Sayville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Sunny | 10 mph S | 0% |
| Tonight | 58°F | Partly Cloudy | 8 mph S | 0% |
| Thursday | 69°F | Mostly Cloudy | 8 to 13 mph S | 7% |
| Thursday Night | 60°F | Showers And Thunderstorms | 6 to 12 mph SW | 79% |
| Friday | 67°F | Showers And Thunderstorms | 7 mph S | 96% |
| Friday Night | 53°F | Showers And Thunderstorms | 5 mph SW | 86% |
| Saturday | 64°F | Mostly Sunny | 5 to 9 mph NW | 13% |
| Saturday Night | 45°F | Slight Chance Light Rain | 12 mph W | 22% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 13 mph NW | 17% |
| Sunday Night | 42°F | Partly Cloudy | 12 mph W | 7% |
| Monday | 57°F | Mostly Sunny then Slight Chance Light Rain | 13 to 16 mph W | 15% |
| Monday Night | 41°F | Slight Chance Light Rain then Mostly Clear | 9 to 13 mph W | 15% |
| Tuesday | 60°F | Sunny | 13 to 16 mph W | 5% |
| Tuesday Night | 42°F | Mostly Clear | 14 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for West Sayville (40.730, -73.105). Updated through the day.
Growing snapshot for West Sayville
Last spring frost
Apr 4
First fall frost
Nov 11
Growing season
219 days
Hardiness zone
7b
More local growing data for West Sayville: nearby ZIP 11796 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Molloy Cercom, Ny (0.8 mi from West Sayville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.