Measurements:
°C
°F
CURRENT WEATHER
13:05
Fire Island
64°F
NE 2 mph
Feels like: 64°F
Precip: 0%
World Resorts USA Fire Island Weather

7 Day Weather Forecast

05.14
thu
DAY
64°F
NE 2 mph
precip
0%
NIGHT
52°F
SE 8 mph
precip
0%
05.15
fri
DAY
62°F
S 6 mph
precip
100%
NIGHT
54°F
S 2 mph
precip
0%
05.16
sat
DAY
66°F
NE 11 mph
precip
0%
NIGHT
60°F
NE 10 mph
precip
0%
05.17
sun
DAY
78°F
E 7 mph
precip
0%
NIGHT
68°F
S 3 mph
precip
0%
05.18
mon
DAY
76°F
W 6 mph
precip
0%
NIGHT
62°F
NW 4 mph
precip
0%
05.19
tue
DAY
80°F
NE 8 mph
precip
0%
NIGHT
68°F
NE 13 mph
precip
0%
05.20
wed
DAY
82°F
NE 11 mph
precip
26%
NIGHT
68°F
SE 6 mph
precip
0%

Fire Island Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Fire Island was 12.4°F. The maximum and minimum values were 9.8°F and 14.3°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:
March 3 days
December 3 days
April 3 days
The most windy months:
March 11 mph
January 11 mph
November 11 mph
more details