World Resorts USA Fire Island Weather

Fire Island 7 Days Forecast

08.04
wed
Day
46°F
SW 7 mph
Precip.
0%
Night
36°F
NW 4 mph
Precip.
0%
09.04
thu
Day
43°F
NW 7 mph
Precip.
0%
Night
39°F
W 2 mph
Precip.
0%
10.04
fri
Day
46°F
NE 4 mph
Precip.
0%
Night
46°F
NE 8 mph
Precip.
0%
11.04
sat
Day
55°F
S 13 mph
Precip.
0%
Night
50°F
S 7 mph
Precip.
0%
12.04
sun
Day
52°F
NW 9 mph
Precip.
0%
Night
46°F
N 14 mph
Precip.
0%
13.04
mon
Day
59°F
NE 14 mph
Precip.
0%
Night
55°F
NE 12 mph
Precip.
100%
14.04
tue
Day
70°F
NE 16 mph
Precip.
0%
Night
64°F
SE 9 mph
Precip.
0%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 46.2°F. The highest and lowest sea temperatures during the month were 50.2°F and 43.5°F.

Air temperature in Fire Island, °F

Precipitation total in Fire Island, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Fire Island

Sunniest months:
November 16 days
September 15 days
October 14 days
Warmest months:
July 81.4 °F
August 79.7 °F
June 74.2 °F
Warmest sea temp:
July 76.8 °F
August 76.1 °F
September 72.2 °F
Coldest months:
January 37.4 °F
February 38.2 °F
December 42.4 °F
Rainiest months:
March 3 days
April 3 days
December 3 days
Windiest months:
March 11.7 mph
January 11.5 mph
November 11.5 mph

Fire Island on a weather map

Fire Island
+36°F
SW 11 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+63°F
+57°F
+75°F
+75°F
+68°F
+36°F
+59°F
+55°F
+66°F
+68°F
+57°F
+37°F
24 Hours Forecast
Fire Island
Local time: 08:32
April 08, wednesday
0900
36°F
SW
11 mph
1200
46°F
SW
7 mph
1500
50°F
NW
9 mph
1800
46°F
NW
6 mph
2100
37°F
N
9 mph
April 09, thursday
0000
36°F
NW
4 mph
0300
34°F
NW
4 mph
0600
34°F
NW
5 mph
Units of measurement: °C / °F