Fire Island, NY Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 76 in the afternoon. North wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 9 mph N | 0% |
| Tonight | 62°F | Partly Cloudy | 9 to 20 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 13 to 20 mph E | 1% |
| Saturday Night | 64°F | Partly Cloudy | 14 mph SE | 2% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 14 to 20 mph SE | 67% |
| Sunday Night | 65°F | Showers And Thunderstorms | 15 to 21 mph W | 90% |
| Monday | 68°F | Rain Showers Likely | 18 to 23 mph NE | 65% |
| Monday Night | 61°F | Chance Rain Showers | 18 to 29 mph NE | 29% |
| Tuesday | 64°F | Chance Rain Showers | 26 to 30 mph NE | 28% |
| Tuesday Night | 60°F | Chance Rain Showers then Mostly Cloudy | 28 to 35 mph NE | 28% |
| Wednesday | 64°F | Slight Chance Rain Showers | 35 mph NE | 19% |
| Wednesday Night | 60°F | Chance Rain Showers | 32 to 37 mph NE | 36% |
| Thursday | 64°F | Chance Rain Showers | 30 to 35 mph NE | 37% |
| Thursday Night | 59°F | Chance Rain Showers | 29 mph NE | 37% |
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 Sep 19, 2026.