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
  22nd Nov
  79
  77
  
  7
  6
• Sunday
  23rd Nov
  79
  77
  
  5
  5
• Monday
  24th Nov
  79
  75
  
  5
  4
• Tuesday
  25th Nov
  81
  77
  
  6
  4
• Wednesday
  26th Nov
  81
  79
  
  6
  6

5-day weather forecast updated at 04:02 on Saturday 22nd November 2025 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 Saturday 22nd November 2025

Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north-east.

• 79
  °F maximum temperature
• 77
  °F minimum temperature
• 
  scattered clouds
• 7
  hours of sunshine
• 6
  UV index (High)
• 0
  mm of rainfall expected
• L
  low heat & humidity
• 14
  mph wind from NE

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Cayo Guillermo weather for Sunday 23rd November 2025

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

• 79
  °F maximum temperature
• 77
  °F minimum temperature
• 
  broken clouds
• 5
  hours of sunshine
• 5
  UV index (Moderate)
• 0
  mm of rainfall expected
• L
  low heat & humidity
• 13
  mph wind from NE

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Cayo Guillermo weather for Monday 24th November 2025

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the east.

• 79
  °F maximum temperature
• 75
  °F minimum temperature
• 
  broken clouds
• 5
  hours of sunshine
• 4
  UV index (Moderate)
• 0
  mm of rainfall expected
• L
  low heat & humidity
• 16
  mph wind from E

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Cayo Guillermo weather for Tuesday 25th November 2025

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a moderate breeze of 17 mph from the east.

• 81
  °F maximum temperature
• 77
  °F minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 4
  UV index (Moderate)
• 49
  % chance of some rain
• <2
  mm of rainfall expected
• L
  low heat & humidity
• 17
  mph wind from E

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Cayo Guillermo weather for Wednesday 26th November 2025

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 81°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 17 mph from the east.

• 81
  °F maximum temperature
• 79
  °F minimum temperature
• 
  broken clouds
• 6
  hours of sunshine
• 6
  UV index (High)
• 0
  mm of rainfall expected
• L
  low heat & humidity
• 17
  mph wind from E

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

Show discount code ******AIL

Redeem Marella Cruises discount code >>

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