Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 29°C. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Wednesday
14th Oct
29

28

6

9
Thursday
15th Oct
29

28

7

8
Friday
16th Oct
29

29

8

8
Saturday
17th Oct
29

28

6

7
Sunday
18th Oct
28

28

6

9

5-day weather forecast updated at 04:01 on Wednesday 14th October 2026 GMT

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

Cayo Guillermo weather forecast by day

Below are the detailed weather forecasts for Cayo Guillermo for the next 5 days.

Cayo Guillermo weather for Wednesday 14th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 28 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
64
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
28
kph wind from E

Cayo Guillermo weather for Thursday 15th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a fresh breeze of 30 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
41
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
30
kph wind from E

Cayo Guillermo weather for Friday 16th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a moderate breeze of 28 kph from the east.

29
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
49
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
28
kph wind from E

Cayo Guillermo weather for Saturday 17th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 28 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
66
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
28
kph wind from E

Cayo Guillermo weather for Sunday 18th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 36 kph from the east.