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
81°F
Mostly Sunny
Mostly sunny. High near 81, with temperatures falling to around 79 in the afternoon. East wind 3 to 7 mph.
7-day forecast for West Sayville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny | 3 to 7 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 2 to 6 mph E | 7% |
| Wednesday | 81°F | Partly Sunny then Slight Chance Rain Showers | 2 to 8 mph E | 17% |
| Wednesday Night | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph S | 22% |
| Thursday | 84°F | Mostly Sunny | 6 to 13 mph SW | 11% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 7 to 13 mph SW | 17% |
| Friday | 85°F | Sunny | 6 to 12 mph SW | 14% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 6 to 12 mph SW | 30% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 19% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 10 mph SW | 26% |
| Sunday | 84°F | Mostly Sunny | 6 to 10 mph W | 14% |
| Sunday Night | 73°F | Mostly Clear | 6 to 10 mph SW | 10% |
| Monday | 85°F | Sunny | 6 to 13 mph SW | 8% |
| Monday Night | 73°F | Slight Chance Rain Showers | 7 to 13 mph W | 18% |
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 Aug 4, 2026.