World Resorts USA Sanibel Island Weather

Sanibel Island 7 Days Forecast

18.03
wed
Day
61°F
S 16 mph
Precip.
0%
Night
61°F
SW 18 mph
Precip.
0%
19.03
thu
Day
68°F
SW 17 mph
Precip.
0%
Night
66°F
SW 19 mph
Precip.
0%
20.03
fri
Day
73°F
SW 15 mph
Precip.
0%
Night
68°F
SW 12 mph
Precip.
0%
21.03
sat
Day
70°F
SE 4 mph
Precip.
0%
Night
68°F
SE 11 mph
Precip.
0%
22.03
sun
Day
70°F
SE 4 mph
Precip.
0%
Night
70°F
SE 5 mph
Precip.
0%
23.03
mon
Day
70°F
E 4 mph
Precip.
0%
Night
70°F
SE 12 mph
Precip.
0%
24.03
tue
Day
72°F
SE 7 mph
Precip.
0%
Night
70°F
NE 12 mph
Precip.
53%

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

Sunniest months:
March 19 days
December 17 days
April 17 days
Warmest months:
August 88.0 °F
July 88.0 °F
September 86.6 °F
Warmest sea temp:
August 87.6 °F
July 87.2 °F
September 86.2 °F
Coldest months:
January 69.1 °F
December 72.1 °F
February 72.6 °F
Rainiest months:
June 6 days
July 5 days
August 4 days
Windiest months:
October 10.5 mph
November 10.4 mph
January 10.3 mph

Sanibel Island on a weather map

Sanibel Island
+66°F
SW 17 mph
Feels like: +66°F
Precip.: 84%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+73°F
+39°F
24 Hours Forecast
Sanibel Island
Local time: 17:35
March 18, wednesday
1800
66°F
SW
17 mph
2100
64°F
SW
18 mph
March 19, thursday
0000
61°F
SW
18 mph
0300
57°F
S
17 mph
0600
59°F
S
18 mph
0900
61°F
S
17 mph
1200
68°F
SW
17 mph
1500
72°F
SW
12 mph
Units of measurement: °C / °F