Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 75°F. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

Tuesday
27th Jan
75

72

2

3
Wednesday
28th Jan
73

72

2

2
Thursday
29th Jan
73

70

4

5
Friday
30th Jan
75

72

5

4
Saturday
31st Jan
75

70

5

7

5-day weather forecast updated at 04:02 on Tuesday 27th 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 Tuesday 27th January 2026

Expect mostly cloudy with light rain in Cayo Guillermo, Cuba with a maximum temperature of 75°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a fresh breeze of 19 mph from the north.

75
°F maximum temperature
72
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
47
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
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 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-east.

73
°F maximum temperature
72
°F minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
73
°F wind chill
17
mph wind from NE

Cayo Guillermo weather for Thursday 29th January 2026

Expect mostly cloudy with rain in Cayo Guillermo, Cuba with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 16 mph from the north-east.

73
°F maximum temperature
70
°F minimum temperature
mostly cloudy with rain
4
hours of sunshine
5
UV index (Moderate)
65
% chance of some rain
<10
mm of rainfall expected
73
°F wind chill
16
mph wind from NE

Cayo Guillermo weather for Friday 30th January 2026

Expect sunshine and showers in Cayo Guillermo, Cuba with a maximum temperature of 75°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 12 mph from the east.

75
°F maximum temperature
72
°F minimum temperature
sunshine and showers
5
hours of sunshine
4
UV index (Moderate)
59
% chance of some rain
<10
mm of rainfall expected
75
°F wind chill
12
mph wind from E

Cayo Guillermo weather for Saturday 31st January 2026

Expect sunshine and showers in Cayo Guillermo, Cuba with a maximum temperature of 75°F, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a fresh breeze of 22 mph from the west.