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
21st Oct
28

27

6

8
Thursday
22nd Oct
27

27

7

7
Friday
23rd Oct
27

26

6

5
Saturday
24th Oct
27

26

6

5
Sunday
25th Oct
27

26

6

8

5-day weather forecast updated at 04:01 on Wednesday 21st 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 Wednesday 21st October 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 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 26 kph from the north-east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
44
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
26
kph wind from NE

Cayo Guillermo weather for Thursday 22nd October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 19 kph from the north-east.

27
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
36
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
19
kph wind from NE

Cayo Guillermo weather for Friday 23rd October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 23 kph from the north-east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
97
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
23
kph wind from NE

Cayo Guillermo weather for Saturday 24th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 26 kph from the north-east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
81
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
26
kph wind from NE

Cayo Guillermo weather for Sunday 25th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 22 kph from the east.