Measurements:
°C
°F
CURRENT WEATHER
13:20
Fire Island
70°F
SE 11 mph
Feels like: 70°F
Precip: 0%
World Resorts USA Fire Island Weather

7 Day Weather Forecast

04.23
thu
DAY
70°F
SE 11 mph
precip
0%
NIGHT
58°F
S 9 mph
precip
0%
04.24
fri
DAY
56°F
E 4 mph
precip
0%
NIGHT
52°F
NE 6 mph
precip
0%
04.25
sat
DAY
42°F
W 12 mph
precip
100%
NIGHT
40°F
SW 12 mph
precip
100%
04.26
sun
DAY
46°F
SW 9 mph
precip
0%
NIGHT
46°F
SW 1 mph
precip
0%
04.27
mon
DAY
56°F
W 6 mph
precip
0%
NIGHT
48°F
NW 5 mph
precip
0%
04.28
tue
DAY
54°F
NW 10 mph
precip
0%
NIGHT
50°F
NW 11 mph
precip
100%
04.29
wed
DAY
54°F
N 9 mph
precip
100%
NIGHT
54°F
NE 6 mph
precip
43%

Fire Island Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Fire Island was 6.8°F. The maximum and minimum values were 5.0°F and 9.4°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