Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 86°F. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Saturday
10th Oct
86

82

7

8
Sunday
11th Oct
86

84

8

9
Monday
12th Oct
84

84

6

8
Tuesday
13th Oct
84

82

5

7
Wednesday
14th Oct
84

82

6

9

5-day weather forecast updated at 04:01 on Saturday 10th 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 Saturday 10th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a fresh breeze of 21 mph from the east.

86
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
40
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
21
mph wind from E

Cayo Guillermo weather for Sunday 11th October 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the east.

86
°F maximum temperature
84
°F minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
21
mph wind from E

Cayo Guillermo weather for Monday 12th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 84°F, moderate 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 62% chance of some rain and a fresh breeze of 20 mph from the north-east.

84
°F maximum temperature
84
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
62
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
20
mph wind from NE

Cayo Guillermo weather for Tuesday 13th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 16 mph from the north-east.

84
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
76
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
16
mph wind from NE

Cayo Guillermo weather for Wednesday 14th October 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 15 mph from the east.