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.

Thursday
25th Dec
77

75

6

5
Friday
26th Dec
77

73

6

5
Saturday
27th Dec
77

73

4

6
Sunday
28th Dec
77

73

5

4
Monday
29th Dec
77

73

7

4

5-day weather forecast updated at 04:02 on Thursday 25th December 2025 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 Thursday 25th December 2025

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-east.

77
°F maximum temperature
75
°F minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
mph wind from NE

Cayo Guillermo weather for Friday 26th December 2025

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north-east.

77
°F maximum temperature
73
°F minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
77
°F wind chill
10
mph wind from NE

Cayo Guillermo weather for Saturday 27th December 2025

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-east.

77
°F maximum temperature
73
°F minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
77
°F wind chill
11
mph wind from NE

Cayo Guillermo weather for Sunday 28th December 2025

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-east.

77
°F maximum temperature
73
°F minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
mph wind from NE

Cayo Guillermo weather for Monday 29th December 2025

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.