- Book online & save up to 4% on Marella Cruises
- Discount varies by season. Book online with TUI
- Destinations across the Med, Caribbean & USA
Cayo Guillermo weather live forecast
Tomorrow's maximum temperature in Cayo Guillermo is expected to be 86°F.
-
Friday
18th Jul -
Saturday
19th Jul -
Sunday
20th Jul -
Monday
21st Jul -
Tuesday
22nd Jul
5-day weather forecast updated at 04:02 on Friday 18th July 2025 GMT
More about Cayo Guillermo
Cayo Guillermo by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Cuba
Cruise deal finder
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 Friday 18th July 2025
Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a fresh breeze of 18 mph from the east.
- °F maximum temperature
- °F minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- mph wind from E
Cayo Guillermo weather for Saturday 19th July 2025
Expect scattered clouds in Cayo Guillermo, Cuba with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the east.
- °F maximum temperature
- °F minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Extreme)
- mm of rainfall expected
- moderate heat & humidity
- mph wind from E
Cayo Guillermo weather for Sunday 20th July 2025
Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 14 mph from the east.
- °F maximum temperature
- °F minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Extreme)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- mph wind from E
Cayo Guillermo weather for Monday 21st July 2025
Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 12 mph from the east.
- °F maximum temperature
- °F minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- mph wind from E
Cayo Guillermo weather for Tuesday 22nd July 2025
Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 11 mph from the east.
- °F maximum temperature
- °F minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Extreme)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- mph wind from E
- Book online & save up to 4% on Marella Cruises
- Discount varies by season. Book online with TUI
- Destinations across the Med, Caribbean & USA
Cruise deal finder
Metric (°C) | Imperial (°F)
More about Cuba
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- January sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport