Harman US

Shirley, NY Weather & Growing Conditions

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

Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Northeast wind 2 to 6 mph.

7-day forecast for Shirley

WhenTempForecastWindPrecip
Today 82°F Mostly Sunny 2 to 6 mph NE 0%
Tonight 65°F Mostly Cloudy 5 mph E 10%
Wednesday 82°F Partly Sunny 2 to 7 mph E 12%
Wednesday Night 72°F Mostly Cloudy then Slight Chance Rain Showers 6 mph S 20%
Thursday 85°F Mostly Sunny 5 to 12 mph SW 10%
Thursday Night 74°F Slight Chance Showers And Thunderstorms then Mostly Clear 6 to 12 mph SW 16%
Friday 86°F Sunny 6 to 10 mph SW 10%
Friday Night 73°F Chance Showers And Thunderstorms 5 to 9 mph SW 27%
Saturday 86°F Mostly Sunny then Slight Chance Rain Showers 5 to 10 mph SW 15%
Saturday Night 72°F Slight Chance Showers And Thunderstorms 5 to 9 mph SW 24%
Sunday 86°F Mostly Sunny 5 to 10 mph SW 14%
Sunday Night 72°F Mostly Clear 5 to 9 mph SW 9%
Monday 87°F Sunny 5 to 12 mph SW 7%
Monday Night 72°F Slight Chance Rain Showers 6 to 10 mph W 17%

Forecast source: National Weather Service (api.weather.gov) for Shirley (40.794, -72.876). Updated through the day.

Growing snapshot for Shirley

Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
7a

More local growing data for Shirley: nearby ZIP 11967 weather · frost dates · planting calendar · New York frost dates

Nearby towns & communities

All New York locations ›

Climate data from the nearest NOAA station, Shirley Brookhaven Ap, Ny (1.5 mi from Shirley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.