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Shelter Island Heights, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Shelter Island Heights, a community in Suffolk County, New York.

Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. East wind around 5 mph.

7-day forecast for Shelter Island Heights

WhenTempForecastWindPrecip
Today 81°F Mostly Sunny 5 mph E 0%
Tonight 67°F Mostly Cloudy then Slight Chance Rain Showers 5 mph E 15%
Wednesday 82°F Mostly Sunny 2 to 6 mph SW 13%
Wednesday Night 72°F Mostly Cloudy then Slight Chance Rain Showers 6 mph S 18%
Thursday 85°F Mostly Sunny 5 to 10 mph SW 10%
Thursday Night 74°F Mostly Clear 6 to 9 mph SW 14%
Friday 86°F Sunny 5 to 9 mph SW 9%
Friday Night 74°F Slight Chance Showers And Thunderstorms 3 to 9 mph SW 19%
Saturday 85°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 8 mph SW 15%
Saturday Night 73°F Slight Chance Showers And Thunderstorms 3 to 8 mph SW 22%
Sunday 85°F Mostly Sunny 5 to 8 mph SW 13%
Sunday Night 73°F Mostly Clear 5 to 8 mph SW 8%
Monday 86°F Sunny 5 to 9 mph SW 7%
Monday Night 72°F Mostly Clear 5 to 9 mph W 13%

Forecast source: National Weather Service (api.weather.gov) for Shelter Island Heights (41.055, -72.360). Updated through the day.

Growing snapshot for Shelter Island Heights

Last spring frost
Apr 6
First fall frost
Nov 17
Growing season
221 days
Hardiness zone
7b

More local growing data for Shelter Island Heights: nearby ZIP 11944 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Orient Pt Sp, Ny (6.3 mi from Shelter Island Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.