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.

Monday
9th Mar
26

24

7

7
Tuesday
10th Mar
26

24

6

9
Wednesday
11th Mar
26

24

7

9
Thursday
12th Mar
26

24

9

10
Friday
13th Mar
26

24

8

10

5-day weather forecast updated at 04:02 on Monday 9th 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 Monday 9th 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 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 25 kph from the east.

26
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
31
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
25
kph wind from E

Cayo Guillermo weather for Tuesday 10th March 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a moderate breeze of 27 kph from the east.

26
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
29
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
27
kph wind from E

Cayo Guillermo weather for Wednesday 11th March 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a moderate breeze of 26 kph from the east.

26
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
6
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
26
kph wind from E

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 22 kph from the east.

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
22
kph wind from E

Cayo Guillermo weather for Friday 13th 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 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.