Islip Terrace, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Islip Terrace, a community in Suffolk County, New York.
Today
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 65 in the afternoon. Southwest wind around 10 mph.
7-day forecast for Islip Terrace
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 10 mph SW | 0% |
| Tonight | 58°F | Partly Cloudy | 7 mph S | 0% |
| Thursday | 70°F | Mostly Cloudy | 6 to 13 mph S | 6% |
| Thursday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph SW | 77% |
| Friday | 68°F | Showers And Thunderstorms | 7 mph S | 96% |
| Friday Night | 53°F | Showers And Thunderstorms | 5 mph W | 84% |
| Saturday | 64°F | Mostly Sunny | 5 to 9 mph NW | 12% |
| Saturday Night | 43°F | Slight Chance Light Rain | 9 mph W | 22% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 8 to 12 mph W | 16% |
| Sunday Night | 40°F | Partly Cloudy | 9 mph W | 6% |
| Monday | 58°F | Sunny | 10 to 15 mph W | 13% |
| Monday Night | 39°F | Mostly Clear | 7 to 10 mph W | 13% |
| Tuesday | 60°F | Sunny | 10 to 14 mph W | 5% |
| Tuesday Night | 40°F | Mostly Clear | 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Islip Terrace (40.750, -73.187). Updated through the day.
Growing snapshot for Islip Terrace
Last spring frost
Apr 10
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7b
More local growing data for Islip Terrace: nearby ZIP 11752 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Islip Li Macarthur Ap, Ny (4.5 mi from Islip Terrace). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.