30.12
tue
tue
Day
28°F
E 19 mph
Precip.
0%
0%
Night
27°F
E 15 mph
Precip.
0%
0%
31.12
wed
wed
Day
34°F
E 16 mph
Precip.
0%
0%
Night
30°F
NE 16 mph
Precip.
0%
0%
01.01
thu
thu
Day
27°F
SE 13 mph
Precip.
0%
0%
Night
27°F
E 12 mph
Precip.
0%
0%
02.01
fri
fri
Day
28°F
E 12 mph
Precip.
0%
0%
Night
32°F
NE 8 mph
Precip.
0%
0%
03.01
sat
sat
Day
30°F
E 7 mph
Precip.
0%
0%
Night
30°F
SE 4 mph
Precip.
0%
0%
04.01
sun
sun
Day
30°F
NW 10 mph
Precip.
0%
0%
Night
30°F
SW 6 mph
Precip.
0%
0%
05.01
mon
mon
Day
34°F
NW 7 mph
Precip.
0%
0%
Night
37°F
N 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Fire Island |
monthly
weather
weather
| Fire Island |
current
weather
weather
| Fire Island |
14 days
forecast
forecast
| Fire Island |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 45.4°F. The highest and lowest sea temperatures during the month were 51.1°F and 41.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 39.7°F. The highest and lowest sea temperatures during the month were 43.9°F and 36.3°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: 17:53
December 30, tuesday
1800
30°F
E
19 mph
19 mph
2100
28°F
E
17 mph
17 mph
December 31, wednesday
0000
27°F
E
15 mph
15 mph
0300
25°F
E
15 mph
15 mph
0600
25°F
E
14 mph
14 mph
0900
28°F
E
14 mph
14 mph
1200
34°F
E
16 mph
16 mph
1500
36°F
E
16 mph
16 mph
