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.
Live forecast is briefly unavailable; the local growing information below is from NOAA climate normals.
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
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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 Nov 4, 2026.