Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 27°C. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Sunday
15th Mar
27

25

8

9
Monday
16th Mar
27

25

9

8
Tuesday
17th Mar
26

24

6

7
Wednesday
18th Mar
25

23

2

5
Thursday
19th Mar
25

23

5

8

5-day weather forecast updated at 04:02 on Sunday 15th 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 Sunday 15th 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 25 kph from the south-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
25
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 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 20 kph from the south-east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
8
UV index (Very High)
27
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
20
kph wind from SE

Cayo Guillermo weather for Tuesday 17th March 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a light breeze of 12 kph from the north-east.

26
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
69
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
12
kph wind from NE

Cayo Guillermo weather for Wednesday 18th March 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 14 kph from the north-east.

25
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
98
% chance of some rain
<40
mm of rainfall expected
25
°C wind chill
14
kph wind from NE

Cayo Guillermo weather for Thursday 19th March 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 17 kph from the north.