Sanibel Island weather live forecast

Today's maximum temperature in Sanibel Island is expected to be 31°C. Select a day from the live weather forecast for Sanibel Island, Florida, USA for more weather parameters.

Monday
18th May
31

24

9

9
Tuesday
19th May
30

25

7

9
Wednesday
20th May
31

25

8

10
Thursday
21st May
31

25

9

9
Friday
22nd May
30

26

9

9

5-day weather forecast updated at 04:02 on Monday 18th May 2026 GMT

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The 5-day weather forecast for Florida (Sanibel Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Sanibel Island weather forecast by day

Below are the detailed weather forecasts for Sanibel Island for the next 5 days.

Sanibel Island weather for Monday 18th May 2026

Expect isolated thunderstorms in Sanibel Island, Florida with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 17 kph from the east.

31
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
57
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

Sanibel Island weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Sanibel Island, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 15 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
56
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

Sanibel Island weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Sanibel Island, Florida with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a light breeze of 10 kph from the east.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
63
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from E

Sanibel Island weather for Thursday 21st May 2026

Expect scattered clouds in Sanibel Island, Florida with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

31
°C maximum temperature
25
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from E

Sanibel Island weather for Friday 22nd May 2026

Expect isolated thunderstorms in Sanibel Island, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a light breeze of 11 kph from the east.