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.

Sunday
11th Jan
77

75

6

5
Monday
12th Jan
77

75

5

4
Tuesday
13th Jan
77

73

5

6
Wednesday
14th Jan
79

75

8

6

5-day weather forecast updated at 04:02 on Friday 9th January 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 Sunday 11th January 2026

Expect sunshine and showers in Cayo Guillermo, Cuba with a maximum temperature of 77°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 12 mph from the north-east.

77
°F maximum temperature
75
°F minimum temperature
sunshine and showers
6
hours of sunshine
5
UV index (Moderate)
36
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
mph wind from NE

Cayo Guillermo weather for Monday 12th January 2026

Expect sunshine and showers in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 37% chance of some rain and a moderate breeze of 15 mph from the north-east.

77
°F maximum temperature
75
°F minimum temperature
sunshine and showers
5
hours of sunshine
4
UV index (Moderate)
37
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
15
mph wind from NE

Cayo Guillermo weather for Tuesday 13th January 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 14 mph from the east.

77
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
46
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
14
mph wind from E

Cayo Guillermo weather for Wednesday 14th January 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 10 mph from the south-east.