16.01
fri
fri
Day
30°F
E 16 mph
Precip.
0%
0%
Night
32°F
NE 14 mph
Precip.
0%
0%
17.01
sat
sat
Day
37°F
NE 7 mph
Precip.
0%
0%
Night
39°F
NE 8 mph
Precip.
0%
0%
18.01
sun
sun
Day
36°F
SE 6 mph
Precip.
0%
0%
Night
28°F
S 17 mph
Precip.
100%
100%
19.01
mon
mon
Day
28°F
E 17 mph
Precip.
0%
0%
Night
25°F
E 14 mph
Precip.
0%
0%
20.01
tue
tue
Day
23°F
E 12 mph
Precip.
0%
0%
Night
16°F
E 16 mph
Precip.
74%
74%
21.01
wed
wed
Day
14°F
E 14 mph
Precip.
0%
0%
Night
16°F
NE 7 mph
Precip.
0%
0%
22.01
thu
thu
Day
27°F
E 11 mph
Precip.
100%
100%
Night
19°F
SE 7 mph
Precip.
0%
0%
23.01
fri
fri
Day
30°F
NE 9 mph
Precip.
0%
0%
Night
37°F
NE 14 mph
Precip.
28%
28%
24.01
sat
sat
Day
39°F
NE 9 mph
Precip.
100%
100%
Night
36°F
SE 15 mph
Precip.
0%
0%
25.01
sun
sun
Day
21°F
SE 17 mph
Precip.
0%
0%
Night
9°F
SE 17 mph
Precip.
0%
0%
26.01
mon
mon
Day
10°F
SE 14 mph
Precip.
0%
0%
Night
18°F
SE 10 mph
Precip.
0%
0%
27.01
tue
tue
Day
28°F
NE 13 mph
Precip.
0%
0%
Night
34°F
NE 8 mph
Precip.
0%
0%
28.01
wed
wed
Day
37°F
NE 7 mph
Precip.
0%
0%
Night
36°F
E 4 mph
Precip.
100%
100%
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 January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 40.4°F. The highest and lowest sea temperatures during the month were 41.5°F and 38.7°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: 00:39
January 16, friday
0300
23°F
E
20 mph
20 mph
0600
23°F
E
19 mph
19 mph
0900
27°F
E
19 mph
19 mph
1200
30°F
E
16 mph
16 mph
1500
30°F
E
14 mph
14 mph
1800
32°F
NE
12 mph
12 mph
2100
34°F
NE
13 mph
13 mph
January 17, saturday
0000
32°F
NE
14 mph
14 mph
