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.

Monday
16th Feb
77

72

6

7
Tuesday
17th Feb
75

73

6

7
Wednesday
18th Feb
77

72

8

7
Thursday
19th Feb
77

72

10

8
Friday
20th Feb
77

73

11

9

5-day weather forecast updated at 04:03 on Monday 16th 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 Monday 16th February 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a gentle breeze of 10 mph from the south.

77
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
28
% chance of some rain
<2
mm of rainfall expected
77
°F wind chill
10
mph wind from S

Cayo Guillermo weather for Tuesday 17th February 2026

Expect scattered 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
scattered clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
75
°F wind chill
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 77°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

77
°F maximum temperature
72
°F minimum temperature
scattered clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
77
°F wind chill
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 77°F, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

77
°F maximum temperature
72
°F minimum temperature
scattered clouds
10
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 Friday 20th February 2026

Expect clear skies in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the east.