Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 77°F. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Tuesday
31st Mar
77

75

5

9
Wednesday
1st Apr
77

75

6

9
Thursday
2nd Apr
79

75

5

8
Friday
3rd Apr
79

75

6

8
Saturday
4th Apr
79

75

6

8

5-day weather forecast updated at 04:02 on Tuesday 31st March 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 31st March 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a fresh breeze of 23 mph from the east.

77
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
77
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
23
mph wind from E

Cayo Guillermo weather for Wednesday 1st April 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the east.

77
°F maximum temperature
75
°F minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
21
mph wind from E

Cayo Guillermo weather for Thursday 2nd April 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a fresh breeze of 21 mph from the east.

79
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
77
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
21
mph wind from E

Cayo Guillermo weather for Friday 3rd April 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 79°F, 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 50% chance of some rain and a fresh breeze of 20 mph from the east.

79
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
50
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
20
mph wind from E

Cayo Guillermo weather for Saturday 4th April 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 79°F, 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 47% chance of some rain and a moderate breeze of 16 mph from the east.