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.

Sunday
3rd May
28

26

10

10
Monday
4th May
27

26

8

11
Tuesday
5th May
27

25

9

10
Wednesday
6th May
28

26

9

9
Thursday
7th May
28

27

10

11

5-day weather forecast updated at 04:02 on Sunday 3rd May 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 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 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 14 kph from the south.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
46
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
14
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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 14 kph from the north.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
69
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
14
kph wind from N

Cayo Guillermo weather for Tuesday 5th May 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 10-20 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 15 kph from the east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
10
UV index (Very High)
69
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
15
kph wind from E

Cayo Guillermo weather for Wednesday 6th May 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 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 20 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
36
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
20
kph wind from E

Cayo Guillermo weather for Thursday 7th May 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.