Fishers Island, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fishers Island, a community in Suffolk County, New York.
Today
67°F
Sunny
Sunny. High near 67, with temperatures falling to around 62 in the afternoon. Southwest wind around 9 mph.
7-day forecast for Fishers Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Sunny | 9 mph SW | 0% |
| Tonight | 57°F | Partly Cloudy | 3 to 12 mph SW | 0% |
| Thursday | 68°F | Partly Sunny then Chance Rain Showers | 12 to 16 mph SW | 25% |
| Thursday Night | 60°F | Showers And Thunderstorms | 12 to 16 mph SW | 79% |
| Friday | 67°F | Showers And Thunderstorms | 8 to 12 mph S | 99% |
| Friday Night | 59°F | Showers And Thunderstorms | 8 mph SW | 97% |
| Saturday | 63°F | Chance Rain Showers | 7 to 12 mph NW | 34% |
| Saturday Night | 51°F | Slight Chance Light Rain | 15 mph W | 21% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 16 mph W | 21% |
| Sunday Night | 49°F | Partly Cloudy | 16 mph W | 6% |
| Monday | 57°F | Slight Chance Light Rain | 20 mph W | 22% |
| Monday Night | 47°F | Slight Chance Light Rain then Partly Cloudy | 15 to 18 mph W | 22% |
| Tuesday | 58°F | Sunny | 17 to 21 mph W | 8% |
| Tuesday Night | 48°F | Mostly Clear | 18 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Fishers Island (41.268, -71.993). Updated through the day.
Growing snapshot for Fishers Island
Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
194 days
Hardiness zone
7a
More local growing data for Fishers Island: nearby ZIP 06390 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
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Bridgehampton
Brightwaters
Brookhaven
Calverton
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Center Moriches
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Central Islip
Cold Spring Harbor
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Climate data from the nearest NOAA station, Groton New London Ap, Ct (6.5 mi from Fishers Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.