Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 26°C. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Friday
19th Dec
26

25

8

6
Saturday
20th Dec
26

25

6

5
Sunday
21st Dec
26

25

5

4
Monday
22nd Dec
26

24

4

4
Tuesday
23rd Dec
26

24

3

6

5-day weather forecast updated at 04:02 on Friday 19th 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 Friday 19th December 2025

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

26
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from N

Cayo Guillermo weather for Saturday 20th December 2025

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.

26
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from NE

Cayo Guillermo weather for Sunday 21st December 2025

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-east.

26
°C maximum temperature
25
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
24
kph wind from NE

Cayo Guillermo weather for Monday 22nd December 2025

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 32 kph from the north-east.

26
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
75
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
32
kph wind from NE

Cayo Guillermo weather for Tuesday 23rd December 2025

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a fresh breeze of 35 kph from the east.