15.08
sat
sat
Day
84°F
SW 3 mph
Precip.
3%
3%
Night
73°F
NE 4 mph
Precip.
3%
3%
16.08
sun
sun
Day
81°F
N 9 mph
Precip.
2%
2%
Night
73°F
N 14 mph
Precip.
46%
46%
17.08
mon
mon
Day
77°F
SE 8 mph
Precip.
23%
23%
Night
73°F
SW 6 mph
Precip.
33%
33%
18.08
tue
tue
Day
81°F
S 6 mph
Precip.
1%
1%
Night
73°F
NE 6 mph
Precip.
5%
5%
19.08
wed
wed
Day
81°F
N 9 mph
Precip.
2%
2%
Night
77°F
NE 9 mph
Precip.
25%
25%
20.08
thu
thu
Day
84°F
SE 5 mph
Precip.
8%
8%
Night
77°F
NW 7 mph
Precip.
3%
3%
21.08
fri
fri
Day
81°F
W 9 mph
Precip.
1%
1%
Night
73°F
NW 7 mph
Precip.
36%
36%
22.08
sat
sat
Day
81°F
NW 11 mph
Precip.
39%
39%
Night
77°F
N 9 mph
Precip.
13%
13%
23.08
sun
sun
Day
84°F
NE 8 mph
Precip.
7%
7%
Night
77°F
SE 6 mph
Precip.
8%
8%
24.08
mon
mon
Day
77°F
S 7 mph
Precip.
11%
11%
Night
73°F
NE 9 mph
Precip.
10%
10%
25.08
tue
tue
Day
86°F
E 7 mph
Precip.
2%
2%
Night
77°F
NE 4 mph
Precip.
11%
11%
26.08
wed
wed
Day
75°F
SW 7 mph
Precip.
36%
36%
Night
72°F
W 5 mph
Precip.
9%
9%
27.08
thu
thu
Day
79°F
W 9 mph
Precip.
2%
2%
Night
70°F
NW 5 mph
Precip.
7%
7%
28.08
fri
fri
Day
79°F
SE 12 mph
Precip.
2%
2%
Night
68°F
S 14 mph
Precip.
2%
2%
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 August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 77.6°F. The highest and lowest sea temperatures during the month were 80.1°F and 74.3°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: 18:27
August 15, saturday
2100
75°F
N
2 mph
2 mph
August 16, sunday
0000
73°F
NE
4 mph
4 mph
0300
72°F
E
3 mph
3 mph
0600
70°F
S
2 mph
2 mph
0900
77°F
N
2 mph
2 mph
1200
81°F
N
9 mph
9 mph
1500
79°F
N
12 mph
12 mph
1800
75°F
N
12 mph
12 mph
