East Islip, NY Weather & Growing Conditions
Today
70°F
Partly Sunny
Partly sunny. High near 70, with temperatures falling to around 67 in the afternoon. East wind around 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Partly Sunny | 12 mph E | 0% |
| Tonight | 56°F | Mostly Cloudy | 7 to 10 mph SE | 2% |
| Sunday | 71°F | Rain | 7 to 13 mph SE | 77% |
| Sunday Night | 57°F | Rain | 7 to 13 mph NE | 87% |
| Monday | 69°F | Chance Light Rain | 10 to 16 mph NE | 46% |
| Monday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 15 mph NE | 20% |
| Tuesday | 66°F | Chance Rain Showers | 17 mph NE | 26% |
| Tuesday Night | 53°F | Chance Rain Showers | 18 mph NE | 26% |
| Wednesday | 66°F | Slight Chance Rain Showers | 22 mph NE | 21% |
| Wednesday Night | 53°F | Chance Rain Showers | 22 mph NE | 33% |
| Thursday | 66°F | Chance Rain Showers | 23 mph NE | 34% |
| Thursday Night | 53°F | Chance Rain Showers | 17 to 21 mph NE | 40% |
| Friday | 66°F | Chance Rain Showers | 20 mph N | 38% |
| Friday Night | 53°F | Chance Rain Showers | 21 mph N | 38% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for East Islip, NY
Last spring frost
Apr 4
First fall frost
Nov 11
Growing season
219 days
Hardiness zone
7b
Explore more for East Islip, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Molloy Cercom, Ny (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.