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
21st Feb
79

73

8

8
Sunday
22nd Feb
77

73

8

8
Monday
23rd Feb
73

66

2

5
Tuesday
24th Feb
66

64

6

8
Wednesday
25th Feb
72

66

6

8

5-day weather forecast updated at 04:03 on Saturday 21st February 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 28th Feb 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 21st February 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the east.

79
°F maximum temperature
73
°F minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
10
mph wind from E

Cayo Guillermo weather for Sunday 22nd February 2026

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 77°F, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-west.

77
°F maximum temperature
73
°F minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
77
°F wind chill
9
mph wind from NW

Cayo Guillermo weather for Monday 23rd February 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 fresh breeze of 21 mph from the north.

73
°F maximum temperature
66
°F minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
21
mph wind from N

Cayo Guillermo weather for Tuesday 24th February 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 66°F, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the north.

66
°F maximum temperature
64
°F minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
18
mph wind from N

Cayo Guillermo weather for Wednesday 25th February 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 72°F, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the east.