Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 29°C. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Tuesday
9th Jun
29

28

9

11
Wednesday
10th Jun
28

27

7

10
Thursday
11th Jun
29

28

9

9
Friday
12th Jun
29

28

6

11
Saturday
13th Jun
29

28

7

11

5-day weather forecast updated at 04:01 on Tuesday 9th June 2026 GMT

More about Cayo Guillermo

Cayo Guillermo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Cuba

Marella Cruises: Best deals on summer sailings

Sale

Check out best deals on all-inclusive summer sailings
Book cruises to the Med including 30th Birthday sailings
Filter deals by departure port, party size & duration

Go to Marella Cruises deal >>

View all Marella Cruises offers

Cruise deal finder

Destination

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 Tuesday 9th June 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
scattered clouds
9
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from E

Cayo Guillermo weather for Wednesday 10th 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 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a moderate breeze of 20 kph from the east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
43
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from E

Cayo Guillermo weather for Thursday 11th June 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 20 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
33
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from E

Cayo Guillermo weather for Friday 12th June 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 20 kph from the east.

29
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
48
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from E

Cayo Guillermo weather for Saturday 13th June 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 15 kph from the south-east.