West Islip, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Islip, a community in Suffolk County, New York.
This Afternoon
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 64 in the afternoon. Southwest wind 8 to 13 mph.
7-day forecast for West Islip
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 8 to 13 mph SW | 0% |
| Tonight | 52°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Wednesday | 71°F | Mostly Sunny | 3 to 8 mph SW | 0% |
| Wednesday Night | 56°F | Mostly Cloudy | 8 mph SW | 0% |
| Thursday | 70°F | Slight Chance Rain Showers | 6 to 12 mph S | 22% |
| Thursday Night | 60°F | Showers And Thunderstorms Likely | 6 to 10 mph SW | 66% |
| Friday | 68°F | Showers And Thunderstorms | 6 to 9 mph SW | 79% |
| Friday Night | 55°F | Showers And Thunderstorms then Light Rain | 7 mph W | 79% |
| Saturday | 64°F | Light Rain Likely | 9 mph NW | 64% |
| Saturday Night | 48°F | Chance Light Rain | 9 mph NW | 27% |
| Sunday | 61°F | Slight Chance Light Rain then Mostly Sunny | 9 mph NW | 16% |
| Sunday Night | 48°F | Partly Cloudy then Slight Chance Light Rain | 5 to 8 mph NW | 20% |
| Monday | 59°F | Chance Light Rain | 9 to 15 mph NW | 33% |
| Monday Night | 45°F | Chance Light Rain | 16 mph NW | 33% |
Forecast source: National Weather Service (api.weather.gov) for West Islip (40.703, -73.296). Updated through the day.
Growing snapshot for West Islip
Last spring frost
Apr 6
First fall frost
Nov 6
Growing season
213 days
Hardiness zone
7b
More local growing data for West Islip: nearby ZIP 11795 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Farmingdale Ap, Ny (6.5 mi from West Islip). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.