29.04
wed
wed
Day
59°F
NW 8 mph
Precip.
0%
0%
Night
50°F
N 9 mph
Precip.
100%
100%
30.04
thu
thu
Day
50°F
S 8 mph
Precip.
79%
79%
Night
48°F
SE 10 mph
Precip.
0%
0%
01.05
fri
fri
Day
55°F
E 12 mph
Precip.
0%
0%
Night
50°F
SE 8 mph
Precip.
0%
0%
02.05
sat
sat
Day
50°F
NE 5 mph
Precip.
72%
72%
Night
48°F
S 6 mph
Precip.
0%
0%
03.05
sun
sun
Day
54°F
E 11 mph
Precip.
0%
0%
Night
50°F
E 6 mph
Precip.
0%
0%
04.05
mon
mon
Day
57°F
NE 15 mph
Precip.
0%
0%
Night
54°F
NE 9 mph
Precip.
0%
0%
05.05
tue
tue
Day
61°F
N 13 mph
Precip.
0%
0%
Night
55°F
NE 16 mph
Precip.
53%
53%
06.05
wed
wed
Day
57°F
E 4 mph
Precip.
100%
100%
Night
54°F
N 4 mph
Precip.
20%
20%
07.05
thu
thu
Day
61°F
E 5 mph
Precip.
0%
0%
Night
54°F
N 11 mph
Precip.
100%
100%
08.05
fri
fri
Day
59°F
E 11 mph
Precip.
100%
100%
Night
50°F
S 12 mph
Precip.
0%
0%
09.05
sat
sat
Day
59°F
SE 7 mph
Precip.
0%
0%
Night
54°F
N 4 mph
Precip.
0%
0%
10.05
sun
sun
Day
61°F
W 4 mph
Precip.
0%
0%
Night
54°F
N 4 mph
Precip.
0%
0%
11.05
mon
mon
Day
64°F
N 4 mph
Precip.
0%
0%
Night
54°F
N 5 mph
Precip.
0%
0%
12.05
tue
tue
Day
61°F
NW 9 mph
Precip.
0%
0%
Night
54°F
W 7 mph
Precip.
0%
0%
sea water
temperature
temperature
| Fire Island |
monthly
weather
weather
| Fire Island |
current
weather
weather
| Fire Island |
7 days
forecast
forecast
| Fire Island |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 45.1°F. The highest and lowest sea temperatures during the month were 49.6°F and 41.0°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 54.4°F. The highest and lowest sea temperatures during the month were 57.7°F and 49.6°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
Fire Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Fire Island
Local time: 08:28
April 29, wednesday
0900
54°F
N
5 mph
5 mph
1200
59°F
NW
8 mph
8 mph
1500
54°F
N
8 mph
8 mph
1800
52°F
N
7 mph
7 mph
2100
52°F
N
8 mph
8 mph
April 30, thursday
0000
50°F
N
9 mph
9 mph
0300
48°F
NW
11 mph
11 mph
0600
50°F
NW
6 mph
6 mph
