Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 28°C. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Wednesday
3rd Jun
28

27

9

10
Thursday
4th Jun
28

27

6

9
Friday
5th Jun
28

27

6

9
Saturday
6th Jun
28

27

3

8
Sunday
7th Jun
28

27

5

11

5-day weather forecast updated at 04:01 on Wednesday 3rd June 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 3rd June 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 28°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 77% chance of some rain and a moderate breeze of 20 kph from the north-east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
10
UV index (Very High)
77
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from NE

Cayo Guillermo weather for Thursday 4th June 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 28°C, low 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 60% chance of some rain and a moderate breeze of 20 kph from the north-east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
60
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
20
kph wind from NE

Cayo Guillermo weather for Friday 5th June 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 18 kph from the east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
70
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
18
kph wind from E

Cayo Guillermo weather for Saturday 6th June 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 16 kph from the east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
64
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
16
kph wind from E

Cayo Guillermo weather for Sunday 7th June 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 15 kph from the south-east.