Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 30°C. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Tuesday
7th Jul
30

29

10

8
Wednesday
8th Jul
30

29

9

8
Thursday
9th Jul
30

29

7

11
Friday
10th Jul
30

29

6

10
Saturday
11th Jul
30

29

6

7

5-day weather forecast updated at 04:02 on Tuesday 7th July 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 Tuesday 7th July 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the east.

30
°C maximum temperature
29
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
34
kph wind from E

Cayo Guillermo weather for Wednesday 8th July 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 39 kph from the east.

30
°C maximum temperature
29
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
39
kph wind from E

Cayo Guillermo weather for Thursday 9th July 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a fresh breeze of 37 kph from the east.

30
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
65
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
37
kph wind from E

Cayo Guillermo weather for Friday 10th July 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a fresh breeze of 36 kph from the east.

30
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
67
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
36
kph wind from E

Cayo Guillermo weather for Saturday 11th July 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 4% chance of some rain and a fresh breeze of 35 kph from the east.