Measurements:
°C
°F
CURRENT WEATHER
07:11
Fire Island
40°F
W 6 mph
Feels like: 36°F
Precip: 74%
World Resorts USA Fire Island Weather

7 Day Weather Forecast

04.03
fri
DAY
48°F
NE 6 mph
precip
0%
NIGHT
50°F
NE 11 mph
precip
0%
04.04
sat
DAY
56°F
W 7 mph
precip
0%
NIGHT
42°F
W 14 mph
precip
0%
04.05
sun
DAY
52°F
NE 18 mph
precip
0%
NIGHT
48°F
SE 9 mph
precip
0%
04.06
mon
DAY
48°F
E 11 mph
precip
0%
NIGHT
48°F
E 9 mph
precip
0%
04.07
tue
DAY
48°F
SE 12 mph
precip
0%
NIGHT
38°F
NE 14 mph
precip
0%
04.08
wed
DAY
38°F
SW 10 mph
precip
0%
NIGHT
36°F
N 7 mph
precip
0%
04.09
thu
DAY
44°F
N 7 mph
precip
0%
NIGHT
38°F
N 4 mph
precip
0%

Fire Island Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Fire Island was 7.9°F. The maximum and minimum values were 6.4°F and 10.1°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:
March 3 days
April 3 days
December 3 days
The most windy months:
March 11 mph
January 11 mph
November 11 mph
more details