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.

Monday
5th Oct
29

28

7

10
Tuesday
6th Oct
29

27

9

9
Wednesday
7th Oct
29

27

10

9
Thursday
8th Oct
29

27

9

9
Friday
9th Oct
30

28

9

10

5-day weather forecast updated at 04:01 on Monday 5th 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 Monday 5th October 2026

Expect broken clouds 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 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from E

Cayo Guillermo weather for Tuesday 6th October 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 29°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 gentle breeze of 13 kph from the south-east.

29
°C maximum temperature
27
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SE

Cayo Guillermo weather for Wednesday 7th 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 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a light breeze of 12 kph from the south.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
9
UV index (Very High)
56
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from S

Cayo Guillermo weather for Thursday 8th 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 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 18 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
45
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from E

Cayo Guillermo weather for Friday 9th 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 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 26 kph from the east.