Harman US

Central Islip, NY Weather & Growing Conditions

Overnight
53°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 53. Southwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 53°F Patchy Fog 5 mph SW 3%
Wednesday 71°F Patchy Fog then Sunny 3 to 12 mph SW 3%
Wednesday Night 58°F Partly Cloudy 8 mph SW 2%
Thursday 70°F Slight Chance Rain Showers 7 to 12 mph S 19%
Thursday Night 61°F Rain Showers 6 to 9 mph SW 83%
Friday 67°F Showers And Thunderstorms 7 mph S 92%
Friday Night 55°F Showers And Thunderstorms 6 mph W 92%
Saturday 65°F Rain Showers Likely 8 mph NW 59%
Saturday Night 44°F Slight Chance Rain Showers 8 mph NW 19%
Sunday 60°F Slight Chance Rain Showers then Mostly Sunny 9 mph W 18%
Sunday Night 41°F Partly Cloudy 5 to 8 mph W 14%
Monday 59°F Chance Light Rain 8 to 15 mph NW 25%
Monday Night 40°F Chance Light Rain 10 mph W 25%
Tuesday 60°F Slight Chance Light Rain then Mostly Sunny 12 to 15 mph W 19%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Central Islip, NY

Last spring frost
Apr 10
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7b

Explore more for Central Islip, NY: full frost dates · planting calendar · New York frost dates

Climate data from the nearest NOAA station, Islip Li Macarthur Ap, Ny (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.