West Islip, NY Weather & Growing Conditions
Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. East wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 3 to 7 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 2 to 6 mph NE | 6% |
| Wednesday | 82°F | Partly Sunny then Slight Chance Rain Showers | 2 to 8 mph SE | 16% |
| Wednesday Night | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph S | 22% |
| Thursday | 86°F | Mostly Sunny | 5 to 13 mph SW | 12% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 13 mph SW | 21% |
| Friday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 19% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 34% |
| Saturday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 30% |
| Sunday | 88°F | Mostly Sunny | 5 to 9 mph SW | 12% |
| Sunday Night | 73°F | Mostly Clear | 5 to 8 mph SW | 11% |
| Monday | 89°F | Mostly Sunny | 5 to 10 mph W | 9% |
| Monday Night | 72°F | Slight Chance Rain Showers | 6 to 9 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Islip, NY
Last spring frost
Apr 6
First fall frost
Nov 6
Growing season
213 days
Hardiness zone
7b
Explore more for West Islip, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Farmingdale Ap, Ny (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.