Weather forecast for tomorrowCacheu, Guinea-Bissau

Weather forecast for tomorrow

Wednesday 21. Oct 2026

  • 33°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 97%
  • Precipitation: 9mm
  • Wind: 8km/hN 8°
  • Humidity: 82%
  • UV index: 8
  • Sunrise: 06:55 GMT
  • Sunset: 18:43 GMT
  • ▼
Tomorrow, in Cacheu, unstable weather may lead to more thunderstorms.
The likelihood of precipitation is high. However, the rainfall will be light. The highest temperature will be a tropical 33°C, while the lowest temperature will be a moderately hot 24°C.
The maximum heat index, which combines air temperature and relative humidity, is assessed at a blazing hot 49°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Expect temperatures to reach October's average high of 33.6°C.
Sunrise will be at 06:55 and sunset at 18:43; tomorrow's daylight will last for 11h and 48min.

Hourly overview

Hourly temperatures

Warmest hour: 15h 40°C.
Coldest period: 3h - 6h 29°C.

Chance of precipitation

Highest chance: 15h 60%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 5km/hWNW 295°
  • Humidity: 95%
  • Pressure: 1014mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
  • 2h
  • 25°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 5km/hNW 318°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 6km/hNNW 334°
  • Humidity: 97%
  • Pressure: 1012mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 6h
  • 25°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 6km/hN 351°
  • Humidity: 96%
  • Pressure: 1012mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
Sunrise: 06:55
  • 8h
  • 26°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 5km/hN 352°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 10h
  • 29°C
  • Feels like:
    36°C
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 7km/hNNE 19°
  • Humidity: 84%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 12h
  • 31°C
  • Feels like:
    39°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 52%
  • Precipitation: 2mm
  • Wind: 7km/hNNE 25°
  • Humidity: 75%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 8
  • ▼
  • 14h
  • 32°C
  • Feels like:
    40°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 48%
  • Precipitation: 1mm
  • Wind: 7km/hNNE 21°
  • Humidity: 73%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 16h
  • 31°C
  • Feels like:
    39°C
Thunderstorms
Thunderstorms
  • Precip. probability: 98%
  • Precipitation: 2mm
  • Wind: 6km/hNNE 23°
  • Humidity: 75%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 3
  • ▼
  • 18h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 51%
  • Precipitation: 1mm
  • Wind: 7km/hNW 324°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunset: 18:43
  • 20h
  • 27°C
  • Feels like:
    31°C
Few Showers
Few Showers
  • Precip. probability: 34%
  • Precipitation: 1mm
  • Wind: 6km/hNW 323°
  • Humidity: 94%
  • Pressure: 1013mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 5km/hNW 321°
  • Humidity: 96%
  • Pressure: 1014mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
Tomorrow, a combination of cloudy, stormy and rain-soaked weather is forecasted.
Rainfall is forecasted from 11h to 21h. The most intense rain will be falling at 12h, 13h and 16h.
The temperature will vary between the lowest temperature of 25°C and the highest temperature of 32°C. The feels-like temperature will be between a minimum of 29°C and a maximum of 40°C. The hottest part of the day is anticipated around 14h.
The highest temperature will be resembling October's average maximum of 33.6°C. The minimum temperature will be also comparable to October's average low of 25.6°C.
Updated: Oct 20, 2026 @ 03:32:54 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, electrical storms are a possibility.

With a probability of 97%, light precipitation of 9mm is anticipated.

Tomorrow, the highest temperature in Cacheu will be 33°C, while the lowest temperature will be 24°C. The maximum heat index, which measures the combined effect of heat and moisture, is estimated at 49°C.
The highest temperature will be in line with the average maximum of 33.6°C in October. The lowest temperature will be also in line with the average low of 25.6°C.

On Wednesday, in Cacheu, sunrise will be at 06:55 and sunset at 18:43 (GMT).

In Cacheu, Guinea-Bissau, the length of the day tomorrow will be 11h and 48min.