Shelter Island, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shelter Island, a community in Suffolk County, New York.
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. North wind 6 to 12 mph.
7-day forecast for Shelter Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 6 to 12 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 7 to 10 mph E | 0% |
| Saturday Night | 59°F | Partly Cloudy | 6 mph SE | 1% |
| Sunday | 71°F | Showers And Thunderstorms | 5 to 9 mph SE | 77% |
| Sunday Night | 61°F | Showers And Thunderstorms | 7 to 12 mph SE | 90% |
| Monday | 69°F | Rain Showers Likely | 14 mph NE | 69% |
| Monday Night | 57°F | Chance Rain Showers | 10 to 15 mph NE | 27% |
| Tuesday | 67°F | Slight Chance Rain Showers | 17 mph NE | 24% |
| Tuesday Night | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 16 to 20 mph NE | 20% |
| Wednesday | 67°F | Mostly Cloudy then Slight Chance Rain Showers | 22 mph NE | 15% |
| Wednesday Night | 57°F | Chance Rain Showers | 21 mph NE | 28% |
| Thursday | 67°F | Chance Rain Showers | 21 mph NE | 34% |
| Thursday Night | 56°F | Chance Rain Showers | 13 to 20 mph NE | 37% |
| Friday | 68°F | Chance Rain Showers | 16 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov) for Shelter Island (41.055, -72.297). Updated through the day.
Growing snapshot for Shelter Island
Last spring frost
Apr 6
First fall frost
Nov 17
Growing season
221 days
Hardiness zone
7b
More local growing data for Shelter Island: nearby ZIP 11964 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
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Bridgehampton
Brightwaters
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Calverton
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Center Moriches
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Central Islip
Cold Spring Harbor
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Dering Harbor
Climate data from the nearest NOAA station, Orient Pt Sp, Ny (6.2 mi from Shelter Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.