Fire Island, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fire Island, a community in Suffolk County, New York.
Tonight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. North wind 8 to 18 mph.
7-day forecast for Fire Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Partly Cloudy | 8 to 18 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 13 to 18 mph E | 1% |
| Saturday Night | 64°F | Partly Cloudy | 13 mph SE | 2% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 14 to 20 mph S | 68% |
| Sunday Night | 65°F | Showers And Thunderstorms | 13 to 20 mph W | 90% |
| Monday | 68°F | Rain Showers Likely | 17 to 22 mph NE | 65% |
| Monday Night | 61°F | Chance Rain Showers | 17 to 26 mph NE | 29% |
| Tuesday | 64°F | Chance Rain Showers | 25 to 30 mph NE | 28% |
| Tuesday Night | 59°F | Chance Rain Showers then Mostly Cloudy | 26 to 32 mph NE | 28% |
| Wednesday | 64°F | Slight Chance Rain Showers | 31 to 35 mph NE | 19% |
| Wednesday Night | 59°F | Chance Rain Showers | 31 to 36 mph NE | 36% |
| Thursday | 63°F | Chance Rain Showers | 29 to 33 mph NE | 37% |
| Thursday Night | 59°F | Chance Rain Showers | 24 to 28 mph NE | 37% |
| Friday | 66°F | Chance Rain Showers | 21 to 24 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for Fire Island (40.637, -73.203). Updated through the day.
Growing snapshot for Fire Island
Last spring frost
Apr 4
First fall frost
Nov 11
Growing season
219 days
More local growing data for Fire Island: nearby ZIP 11770 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Amagansett
Amityville
Aquebogue
Asharoken
Babylon
Baiting Hollow
Bay Shore
Bayport
Baywood
Belle Terre
Bellport
Blue Point
Bohemia
Brentwood
Bridgehampton
Brightwaters
Brookhaven
Calverton
Captree
Center Moriches
Centereach
Centerport
Central Islip
Cold Spring Harbor
Commack
Copiague
Coram
Cutchogue
Deer Park
Dering Harbor
Climate data from the nearest NOAA station, Molloy Cercom, Ny (5.6 mi from Fire Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.