18.03
wed
wed
Day

61°F
S 16 mph
Precip.
0%
0%
Night

61°F
SW 18 mph
Precip.
0%
0%
19.03
thu
thu
Day

68°F
SW 17 mph
Precip.
0%
0%
Night

66°F
SW 19 mph
Precip.
0%
0%
20.03
fri
fri
Day

73°F
SW 15 mph
Precip.
0%
0%
Night

68°F
SW 12 mph
Precip.
0%
0%
21.03
sat
sat
Day

70°F
SE 4 mph
Precip.
0%
0%
Night

68°F
SE 11 mph
Precip.
0%
0%
22.03
sun
sun
Day

70°F
SE 4 mph
Precip.
0%
0%
Night

70°F
SE 5 mph
Precip.
0%
0%
23.03
mon
mon
Day

70°F
E 4 mph
Precip.
0%
0%
Night

70°F
SE 12 mph
Precip.
0%
0%
24.03
tue
tue
Day

72°F
SE 7 mph
Precip.
0%
0%
Night

70°F
NE 12 mph
Precip.
53%
53%
sea water
temperature
temperature
| Sanibel Island |
monthly
weather
weather
| Sanibel Island |
current
weather
weather
| Sanibel Island |
14 days
forecast
forecast
| Sanibel Island |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 73.0°F. The highest and lowest sea temperatures during the month were 76.8°F and 65.1°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 76.7°F. The highest and lowest sea temperatures during the month were 79.9°F and 74.3°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: 17:35
March 18, wednesday
1800

66°F
SW
17 mph
17 mph
2100

64°F
SW
18 mph
18 mph
March 19, thursday
0000

61°F
SW
18 mph
18 mph
0300

57°F
S
17 mph
17 mph
0600

59°F
S
18 mph
18 mph
0900

61°F
S
17 mph
17 mph
1200

68°F
SW
17 mph
17 mph
1500

72°F
SW
12 mph
12 mph




























