Fishers Island, NY Weather & Growing Conditions
This Afternoon
67°F
Mostly Sunny
Mostly sunny. High near 67, with temperatures falling to around 64 in the afternoon. East wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Sunny | 10 mph E | 0% |
| Tonight | 59°F | Partly Cloudy | 6 to 9 mph E | 0% |
| Sunday | 67°F | Rain | 7 to 12 mph SE | 88% |
| Sunday Night | 60°F | Rain | 8 to 12 mph SE | 88% |
| Monday | 65°F | Chance Light Rain | 13 to 18 mph NE | 45% |
| Monday Night | 56°F | Mostly Cloudy | 12 to 17 mph NE | 7% |
| Tuesday | 62°F | Mostly Cloudy | 21 mph NE | 10% |
| Tuesday Night | 55°F | Mostly Cloudy | 20 to 23 mph NE | 8% |
| Wednesday | 63°F | Partly Sunny | 24 to 29 mph NE | 6% |
| Wednesday Night | 56°F | Chance Rain Showers | 28 mph NE | 27% |
| Thursday | 63°F | Chance Rain Showers | 30 mph NE | 35% |
| Thursday Night | 56°F | Chance Rain Showers | 24 to 28 mph NE | 38% |
| Friday | 63°F | Chance Rain Showers | 29 mph N | 34% |
| Friday Night | 56°F | Chance Rain Showers | 26 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fishers Island, NY
Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
194 days
Hardiness zone
7a
Explore more for Fishers Island, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Groton New London Ap, Ct (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.