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
11th Jul
86

84

11

10
Sunday
12th Jul
86

84

8

11
Monday
13th Jul
84

84

9

10
Tuesday
14th Jul
84

84

8

10
Wednesday
15th Jul
86

84

7

9

5-day weather forecast updated at 04:02 on Sunday 12th July 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 11th July 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 11 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
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
21
mph wind from E

Cayo Guillermo weather for Sunday 12th July 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) 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
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
21
mph wind from E

Cayo Guillermo weather for Monday 13th July 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the east.

84
°F maximum temperature
84
°F minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
mph wind from E

Cayo Guillermo weather for Tuesday 14th July 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (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.

84
°F maximum temperature
84
°F minimum temperature
broken clouds
8
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
21
mph wind from E

Cayo Guillermo weather for Wednesday 15th July 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the east.