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.

Monday
19th Oct
28

27

0

5
Tuesday
20th Oct
27

27

3

5
Wednesday
21st Oct
28

27

4

7
Thursday
22nd Oct
27

27

6

5
Friday
23rd Oct
27

26

5

9

5-day weather forecast updated at 04:01 on Monday 19th 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 19th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 88% chance of some rain and a moderate breeze of 28 kph from the north-east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
5
UV index (Moderate)
88
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
28
kph wind from NE

Cayo Guillermo weather for Tuesday 20th 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 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a fresh breeze of 31 kph from the north-east.

27
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
5
UV index (Moderate)
95
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
31
kph wind from NE

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 7 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 27 kph from the north-east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
76
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
27
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 5 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 79% 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
6
hours of sunshine
5
UV index (Moderate)
79
% chance of some rain
<10
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 9 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 17 kph from the north-east.