12.08
wed
wed
Day

93°F
E 7 mph
Precip.
6%
6%
Night

79°F
S 7 mph
Precip.
11%
11%
13.08
thu
thu
Day

86°F
SE 5 mph
Precip.
13%
13%
Night

86°F
SE 9 mph
Precip.
5%
5%
14.08
fri
fri
Day

86°F
N 7 mph
Precip.
5%
5%
Night

86°F
SW 7 mph
Precip.
6%
6%
15.08
sat
sat
Day

88°F
N 6 mph
Precip.
6%
6%
Night

82°F
NW 10 mph
Precip.
7%
7%
16.08
sun
sun
Day

84°F
N 6 mph
Precip.
6%
6%
Night

86°F
SE 7 mph
Precip.
4%
4%
17.08
mon
mon
Day

86°F
E 7 mph
Precip.
4%
4%
Night

84°F
SE 13 mph
Precip.
7%
7%
18.08
tue
tue
Day

86°F
SE 6 mph
Precip.
5%
5%
Night

84°F
SE 7 mph
Precip.
7%
7%
19.08
wed
wed
Day

86°F
E 6 mph
Precip.
4%
4%
Night

84°F
E 4 mph
Precip.
7%
7%
20.08
thu
thu
Day

86°F
E 7 mph
Precip.
23%
23%
Night

84°F
N 1 mph
Precip.
12%
12%
21.08
fri
fri
Day

84°F
N 5 mph
Precip.
17%
17%
Night

82°F
W 8 mph
Precip.
19%
19%
22.08
sat
sat
Day

86°F
N 9 mph
Precip.
36%
36%
Night

81°F
W 8 mph
Precip.
10%
10%
23.08
sun
sun
Day

86°F
N 12 mph
Precip.
18%
18%
Night

81°F
W 16 mph
Precip.
14%
14%
24.08
mon
mon
Day

86°F
N 6 mph
Precip.
60%
60%
Night

81°F
NW 11 mph
Precip.
9%
9%
25.08
tue
tue
Day

84°F
W 2 mph
Precip.
9%
9%
Night

82°F
W 11 mph
Precip.
37%
37%
sea water
temperature
temperature
| Sanibel Island |
monthly
weather
weather
| Sanibel Island |
current
weather
weather
| Sanibel Island |
7 days
forecast
forecast
| Sanibel Island |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 88.8°F. The highest and lowest sea temperatures during the month were 90.0°F and 87.3°F.
Air temperature in Sanibel Island, °F
Precipitation total in Sanibel Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Sanibel Island
Sanibel Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sanibel Island
Local time: 23:02
August 13, thursday
0000

79°F
S
7 mph
7 mph
0300

81°F
SE
4 mph
4 mph
0600

81°F
S
8 mph
8 mph
0900

84°F
S
6 mph
6 mph
1200

86°F
SE
5 mph
5 mph
1500

88°F
SE
13 mph
13 mph
1800

88°F
SE
15 mph
15 mph
2100

86°F
SE
11 mph
11 mph




























