Weather forecast for tomorrowGuantanamo, Cuba

Weather forecast for tomorrow

Wednesday 21. Oct 2026

  • 32°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 72%
  • Precipitation: 9mm
  • Wind: 14km/hSW 216°
  • Humidity: 76%
  • UV index: 10
  • Sunrise: 06:57 CDT
  • Sunset: 18:32 CDT
  • ▼
Tomorrow, thunder and lightning are forecasted to move in during the afternoon.
The chance of rainfall is high. However, precipitation will be light. The temperature is anticipated to oscillate between a maximum of a tropical 32°C and a minimum of an agreeable 22°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is appraised at a blistering 43°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The expected high temperature will align with October's average of 30°C.
Sunrise will be at 06:57 and sunset at 18:32; tomorrow's daylight will last for 11h and 35min.

Hourly overview

Hourly temperatures

Warmest hour: 15h 36°C.
Minimum temperature: 24°C.

Chance of precipitation

Highest chance: 15h 72%.

Hourly weather forecast

  • 0h
  • 24°C
  • Feels like:
    24°C
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 5km/hNW 308°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 2h
  • 23°C
  • Feels like:
    23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 5km/hNW 306°
  • Humidity: 94%
  • Pressure: 1011mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 4h
  • 23°C
  • Feels like:
    25°C
Clear
Clear
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 6km/hNW 322°
  • Humidity: 95%
  • Pressure: 1010mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 6h
  • 23°C
  • Feels like:
    24°C
Clear
Clear
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 5km/hNW 307°
  • Humidity: 95%
  • Pressure: 1011mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Sunrise: 06:57
  • 8h
  • 24°C
  • Feels like:
    26°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 6km/hNW 313°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 10h
  • 28°C
  • Feels like:
    32°C
Sunny
Sunny
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 5km/hWNW 297°
  • Humidity: 77%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 12h
  • 30°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 8km/hSSE 161°
  • Humidity: 67%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 10
  • ▼
  • 14h
  • 31°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 2mm
  • Wind: 12km/hSSE 161°
  • Humidity: 68%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 7
  • ▼
  • 16h
  • 29°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 13km/hSSW 200°
  • Humidity: 73%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 3
  • ▼
  • 18h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 10km/hSW 214°
  • Humidity: 78%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:32
  • 20h
  • 26°C
  • Feels like:
    29°C
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 5km/hW 278°
  • Humidity: 86%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 25°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 4km/hNW 311°
  • Humidity: 87%
  • Pressure: 1013mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of primarily overcast and occasionally mostly clear and turbulent weather is forecasted.
Rainfall is expected from 13h to 15h. With light precipitation of 2mm, most rainfall is expected at 14h.
The temperature will be between a minimum of 23°C and a maximum of 31°C. The feels-like temperature will be between a minimum of 23°C and a maximum of 36°C. The hottest part of the day will be at 13h and 14h.
The maximum temperature will be consistent with the average high of 30°C in October. The night temperature will be also in line with the standard October low of 22.9°C.
Updated: Oct 20, 2026 @ 23:47:56 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, storm clouds will develop in the afternoon, bringing thunder and rain.

With a probability of 72%, light precipitation of 9mm is predicted.

Tomorrow, the highest temperature will be 32°C, while the lowest temperature will be 22°C. The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 43°C.
The maximum temperature will be in line with the average highest temperature of 30°C in October. The lowest temperature will be also in line with the average low of 22.9°C.

On Wednesday, in Guantanamo, sunrise will be at 06:57 and sunset at 18:32 (CDT).

In Guantanamo, tomorrow, there will be 11h and 35min of daylight.