Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 79°F. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Friday
10th Apr
79

75

6

10
Saturday
11th Apr
77

75

5

10
Sunday
12th Apr
77

75

7

9
Monday
13th Apr
77

75

7

8
Tuesday
14th Apr
79

75

6

11

5-day weather forecast updated at 04:02 on Friday 10th April 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 Friday 10th April 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-east.

79
°F maximum temperature
75
°F minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
mph wind from NE

Cayo Guillermo weather for Saturday 11th April 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 22 mph from the north-east.

77
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
60
% chance of some rain
<2
mm of rainfall expected
77
°F wind chill
22
mph wind from NE

Cayo Guillermo weather for Sunday 12th April 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 24 mph from the north-east.

77
°F maximum temperature
75
°F minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
24
mph wind from NE

Cayo Guillermo weather for Monday 13th April 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 24 mph from the north-east.

77
°F maximum temperature
75
°F minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
24
mph wind from NE

Cayo Guillermo weather for Tuesday 14th April 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 79°F, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 23 mph from the north-east.