Shirley, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shirley, a community in Suffolk County, New York.
This Afternoon
68°F
Mostly Sunny
Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. East wind around 8 mph.
7-day forecast for Shirley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 8 mph E | 0% |
| Tonight | 55°F | Mostly Cloudy | 7 mph E | 1% |
| Sunday | 71°F | Rain Showers Likely then Rain | 5 to 12 mph SE | 80% |
| Sunday Night | 57°F | Rain then Rain Showers | 6 to 12 mph SW | 81% |
| Monday | 68°F | Chance Rain Showers | 9 to 14 mph NE | 43% |
| Monday Night | 54°F | Chance Rain Showers | 7 to 12 mph NE | 28% |
| Tuesday | 66°F | Chance Rain Showers | 15 mph NE | 27% |
| Tuesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 13 to 16 mph NE | 23% |
| Wednesday | 66°F | Slight Chance Rain Showers | 17 to 22 mph NE | 16% |
| Wednesday Night | 53°F | Chance Rain Showers | 16 to 20 mph NE | 25% |
| Thursday | 66°F | Chance Rain Showers | 22 mph NE | 34% |
| Thursday Night | 52°F | Chance Rain Showers | 21 mph NE | 42% |
| Friday | 66°F | Chance Rain Showers | 21 to 24 mph N | 45% |
| Friday Night | 53°F | Chance Rain Showers | 16 to 20 mph N | 45% |
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
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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 Sep 20, 2026.