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.

Thursday
1st Oct
29

28

6

8
Friday
2nd Oct
30

29

7

9
Saturday
3rd Oct
29

28

8

10
Sunday
4th Oct
30

28

6

10
Monday
5th Oct
29

28

7

10

5-day weather forecast updated at 04:02 on Thursday 1st 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 Thursday 1st 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 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 45% chance of some rain and a fresh breeze of 32 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
45
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
32
kph wind from E

Cayo Guillermo weather for Friday 2nd October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba 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 0-2 mm of rainfall expected with 27% chance of some rain and a fresh breeze of 32 kph from the east.

30
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
27
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
32
kph wind from E

Cayo Guillermo weather for Saturday 3rd October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a fresh breeze of 29 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
56
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from E

Cayo Guillermo weather for Sunday 4th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a moderate breeze of 28 kph from the east.

30
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
71
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
28
kph wind from E

Cayo Guillermo weather for Monday 5th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 21 kph from the east.