Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 75°F. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Tuesday
17th Feb
75

73

6

7
Wednesday
18th Feb
75

72

8

8
Thursday
19th Feb
75

72

8

9
Friday
20th Feb
77

73

8

9
Saturday
21st Feb
79

73

8

9

5-day weather forecast updated at 04:03 on Tuesday 17th February 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 17th February 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 75°F, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the north-east.

75
°F maximum temperature
73
°F minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
12
mph wind from NE

Cayo Guillermo weather for Wednesday 18th February 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 75°F, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

75
°F maximum temperature
72
°F minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
11
mph wind from E

Cayo Guillermo weather for Thursday 19th February 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 75°F, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

75
°F maximum temperature
72
°F minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
11
mph wind from E

Cayo Guillermo weather for Friday 20th February 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the east.

77
°F maximum temperature
73
°F minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
12
mph wind from E

Cayo Guillermo weather for Saturday 21st February 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low 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 gentle breeze of 12 mph from the east.