Sayville, NY Weather & Growing Conditions
Today
80°F
Mostly Sunny
Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. East wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Sunny | 3 to 7 mph E | 0% |
| Tonight | 67°F | Mostly Cloudy | 2 to 6 mph NE | 8% |
| Wednesday | 80°F | Partly Sunny then Slight Chance Rain Showers | 2 to 8 mph SE | 17% |
| Wednesday Night | 73°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph S | 22% |
| Thursday | 83°F | Mostly Sunny | 7 to 14 mph SW | 11% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 7 to 14 mph SW | 16% |
| Friday | 84°F | Sunny | 7 to 13 mph SW | 13% |
| Friday Night | 74°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 | 18% |
| 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 12 mph W | 14% |
| Sunday Night | 73°F | Mostly Clear | 6 to 12 mph SW | 10% |
| Monday | 85°F | Sunny | 6 to 13 mph SW | 8% |
| Monday Night | 73°F | Slight Chance Rain Showers | 7 to 12 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sayville, NY
Last spring frost
Apr 4
First fall frost
Nov 11
Growing season
219 days
Hardiness zone
7b
Explore more for Sayville, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Molloy Cercom, Ny (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.