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.

Saturday
24th Jan
79

75

6

6
Sunday
25th Jan
79

75

5

6
Monday
26th Jan
79

75

8

6
Tuesday
27th Jan
75

70

1

6
Wednesday
28th Jan
73

70

2

5

5-day weather forecast updated at 04:02 on Saturday 24th January 2026 GMT

More about Cayo Guillermo

Cayo Guillermo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Cuba

Marella Cruises: up to £300 off 2026/2027 sailings

Discount Code

Save up to £300 on sailings (1 Apr 2026-30 Apr 2027)
Book online in Marella Cruises sale with myTUI account
Discount varies on destination. Min 7 nights duration

Show discount code

******WAY

Redeem Marella Cruises discount code >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all Marella Cruises offers

Cruise deal finder

Destination

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 Saturday 24th January 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the east.

79
°F maximum temperature
75
°F minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
14
mph wind from E

Cayo Guillermo weather for Sunday 25th January 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the east.

79
°F maximum temperature
75
°F minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
13
mph wind from E

Cayo Guillermo weather for Monday 26th January 2026

Expect sunshine and showers in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 12 mph from the north-west.

79
°F maximum temperature
75
°F minimum temperature
sunshine and showers
8
hours of sunshine
6
UV index (High)
67
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
mph wind from NW

Cayo Guillermo weather for Tuesday 27th January 2026

Expect mostly cloudy with light rain in Cayo Guillermo, Cuba with a maximum temperature of 75°F, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a fresh breeze of 21 mph from the north.

75
°F maximum temperature
70
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
6
UV index (High)
44
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
21
mph wind from N

Cayo Guillermo weather for Wednesday 28th January 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-east.