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.

Thursday
12th Mar
26

25

9

10
Friday
13th Mar
26

24

9

10
Saturday
14th Mar
27

25

8

9
Sunday
15th Mar
27

25

8

9
Monday
16th Mar
27

25

9

10

5-day weather forecast updated at 04:01 on Thursday 12th March 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 Thursday 12th March 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low 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 moderate breeze of 21 kph from the east.

26
°C maximum temperature
25
°C minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from E

Cayo Guillermo weather for Friday 13th March 2026

26
°C maximum temperature
24
°C minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from E

Cayo Guillermo weather for Saturday 14th March 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 27°C, 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 moderate breeze of 22 kph from the east.

27
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
22
kph wind from E

Cayo Guillermo weather for Sunday 15th March 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 23 kph from the south-east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
55
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
23
kph wind from SE

Cayo Guillermo weather for Monday 16th March 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 19 kph from the south-east.