Harman US

Fire Island, NY Weather & Growing Conditions

Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Southwest wind 8 to 13 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 58°F Partly Cloudy 8 to 13 mph SW 3%
Wednesday 68°F Sunny 7 to 14 mph SW 3%
Wednesday Night 61°F Partly Cloudy 14 mph S 1%
Thursday 66°F Slight Chance Rain Showers 13 to 18 mph S 18%
Thursday Night 62°F Rain Showers 15 to 18 mph SW 84%
Friday 65°F Showers And Thunderstorms 14 mph SW 93%
Friday Night 58°F Showers And Thunderstorms 10 mph W 93%
Saturday 62°F Rain Showers Likely 12 to 15 mph NW 59%
Saturday Night 50°F Slight Chance Rain Showers 17 mph NW 19%
Sunday 59°F Slight Chance Rain Showers then Mostly Sunny 16 mph W 17%
Sunday Night 49°F Partly Cloudy then Slight Chance Light Rain 15 to 20 mph W 15%
Monday 58°F Chance Light Rain 23 mph NW 28%
Monday Night 48°F Chance Light Rain 24 mph W 28%
Tuesday 59°F Slight Chance Light Rain then Mostly Sunny 25 mph W 20%

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

Growing snapshot for Fire Island, NY

Last spring frost
Apr 4
First fall frost
Nov 11
Growing season
219 days

Explore more for Fire Island, NY: full frost dates · planting calendar · New York frost dates

Climate data from the nearest NOAA station, Molloy Cercom, Ny (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.