Cayo Guillermo weather live forecast

Today's maximum temperature in Cayo Guillermo is expected to be 25°C. Select a day from the live weather forecast for Cayo Guillermo, Cuba for more weather parameters.

5-day weather forecast updated at 04:02 on Monday 12th 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

  • 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 codeShow discount code ******WAY

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

Marella CruisesCruise 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 Tuesday 13th January 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 25°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 20 kph from the North-East20
    kph wind from NE

Back to top

Cayo Guillermo weather for Wednesday 14th January 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 14 kph from the east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 69% chance of some rain69
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 14 kph from the East14
    kph wind from E

Back to top

Cayo Guillermo weather for Thursday 15th January 2026

Expect broken clouds in Cayo Guillermo, Cuba with a maximum temperature of 25°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 24 kph from the North-West24
    kph wind from NW

Back to top

Cayo Guillermo weather for Friday 16th January 2026

Expect mostly cloudy with light rain in Cayo Guillermo, Cuba with a maximum temperature of 23°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 26 kph from the north.

  • 23°C maximum temperature23
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Moderate breeze of 26 kph from the North26
    kph wind from N

Back to top

Cayo Guillermo weather for Saturday 17th January 2026

Expect isolated thunderstorms in Cayo Guillermo, Cuba with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 19 kph from the north-east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 40% chance of some rain40
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Gentle breeze of 19 kph from the North-East19
    kph wind from NE

Back to top

  • 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 codeShow discount code ******WAY

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

Marella CruisesCruise deal finder

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Cuba

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^