Shelter Island, NY Weather & Growing Conditions
Today
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. East wind 7 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Sunny | 7 to 10 mph E | 0% |
| Tonight | 57°F | Partly Cloudy | 6 mph SE | 1% |
| Sunday | 71°F | Rain | 6 to 9 mph SE | 86% |
| Sunday Night | 59°F | Rain | 5 to 12 mph NE | 86% |
| Monday | 69°F | Chance Light Rain | 8 to 14 mph NE | 49% |
| Monday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 8 to 13 mph NE | 17% |
| Tuesday | 67°F | Slight Chance Rain Showers | 15 mph NE | 21% |
| Tuesday Night | 55°F | Slight Chance Rain Showers | 14 to 18 mph NE | 20% |
| Wednesday | 67°F | Slight Chance Rain Showers then Partly Sunny | 20 to 23 mph NE | 15% |
| Wednesday Night | 55°F | Chance Rain Showers | 22 mph NE | 30% |
| Thursday | 68°F | Chance Rain Showers | 23 mph NE | 35% |
| Thursday Night | 55°F | Chance Rain Showers | 16 to 22 mph NE | 40% |
| Friday | 67°F | Chance Rain Showers | 18 to 23 mph NE | 35% |
| Friday Night | 55°F | Chance Rain Showers | 17 to 22 mph NE | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shelter Island, NY
Last spring frost
Apr 6
First fall frost
Nov 17
Growing season
221 days
Hardiness zone
7b
Explore more for Shelter Island, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Orient Pt Sp, Ny (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.