Measurements:
°C
°F
Fire Island
68°F
S 4 mph
Feels like: 68°F
Precip: 7%
World Resorts USA Fire Island Weather

7 Day Weather Forecast

06.25
thu
DAY
84°F
N 7 mph
precip
1%
NIGHT
72°F
N 11 mph
precip
9%
06.26
fri
DAY
74°F
NE 6 mph
precip
12%
NIGHT
72°F
E 8 mph
precip
28%
06.27
sat
DAY
68°F
SW 7 mph
precip
49%
NIGHT
68°F
SE 2 mph
precip
18%
06.28
sun
DAY
78°F
W 3 mph
precip
24%
NIGHT
70°F
N 6 mph
precip
13%
06.29
mon
DAY
82°F
NE 2 mph
precip
3%
NIGHT
72°F
NE 7 mph
precip
10%
06.30
tue
DAY
84°F
NE 3 mph
precip
3%
NIGHT
74°F
SW 2 mph
precip
13%
07.01
wed
DAY
80°F
NW 10 mph
precip
4%
NIGHT
68°F
NW 6 mph
precip
13%

Fire Island Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Fire Island was 19.2°F. The maximum and minimum values were 14.2°F and 22.1°F respectively.

Fire Island on the Weather Map

Best Time to Visit Fire Island
The most sunny months:
November 16 days
September 15 days
October 14 days
The most warm months:
July 84.9 °F
August 83.0 °F
June 76.9 °F
Warmest sea temperature:
July 79.8 °F
August 78.9 °F
September 74.6 °F
The most cold months:
January 36.0 °F
February 36.9 °F
December 41.5 °F
The most rainy months:
December 3 days
March 3 days
April 3 days
The most windy months:
March 11 mph
January 11 mph
November 11 mph