Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 27°C. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Thursday
30th Apr
27

25

10

10
Friday
1st May
27

25

10

10
Saturday
2nd May
28

26

10

10
Sunday
3rd May
28

26

9

10
Monday
4th May
27

26

5

11

5-day weather forecast updated at 04:01 on Thursday 30th April 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 30th April 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

27
°C maximum temperature
25
°C minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from E

Cayo Guillermo weather for Friday 1st May 2026

27
°C maximum temperature
25
°C minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
24
kph wind from E

Cayo Guillermo weather for Saturday 2nd May 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

28
°C maximum temperature
26
°C minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from SE

Cayo Guillermo weather for Sunday 3rd May 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 15 kph from the south.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
10
UV index (Very High)
60
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
15
kph wind from S

Cayo Guillermo weather for Monday 4th May 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a gentle breeze of 15 kph from the south.