Weather forecast for tomorrowCacheu, Guinea-Bissau

Weather forecast for tomorrow

Wednesday 21. Oct 2026

  • 32°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 90%
  • Precipitation: 11mm
  • Wind: 8km/hN 9°
  • Humidity: 83%
  • UV index: 6
  • Sunrise: 06:55 GMT
  • Sunset: 18:43 GMT
  • ▼
Tomorrow, in Cacheu, rainy weather and thunderstorms are also expected in the afternoon.
With a high probability, moderate precipitation is forecasted. Temperatures are predicted to peak at a hot 32°C and drop to a minimum of a temperate 24°C.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a searing 46°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
This forecasted maximum temperature is expected to mirror October's typical 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 period: 12h - 15h 39°C.
Coldest period: 3h - 6h 29°C.

Chance of precipitation

Highest chance: 15h 90%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 5km/hWNW 286°
  • Humidity: 95%
  • Pressure: 1014mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 2h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 6km/hNW 309°
  • Humidity: 95%
  • Pressure: 1012mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 6km/hNNW 331°
  • Humidity: 96%
  • Pressure: 1012mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 6h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 7km/hNNW 348°
  • Humidity: 96%
  • Pressure: 1012mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunrise: 06:55
  • 8h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 6km/hN 349°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
  • 10h
  • 29°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 7km/hN 11°
  • Humidity: 84%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 12h
  • 31°C
  • Feels like:
    39°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 2mm
  • Wind: 8km/hNNE 23°
  • Humidity: 76%
  • Pressure: 1014mbar
  • Visibility: 10km
  • UV index: 5
  • ▼
  • 14h
  • 31°C
  • Feels like:
    40°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 54%
  • Precipitation: 1mm
  • Wind: 7km/hN 8°
  • Humidity: 76%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 16h
  • 31°C
  • Feels like:
    39°C
Thunderstorms
Thunderstorms
  • Precip. probability: 84%
  • Precipitation: 3mm
  • Wind: 6km/hNNE 30°
  • Humidity: 76%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 2
  • ▼
  • 18h
  • 28°C
  • Feels like:
    35°C
Thunderstorms
Thunderstorms
  • Precip. probability: 68%
  • Precipitation: 2mm
  • Wind: 7km/hNNW 338°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunset: 18:43
  • 20h
  • 26°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 6km/hNNW 347°
  • Humidity: 95%
  • Pressure: 1013mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 6km/hN 0°
  • Humidity: 95%
  • Pressure: 1015mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of gloomy, turbulent and rain-soaked weather is anticipated.
Rainfall is predicted from 12h to 19h and at 23h. With light precipitation of 3mm, most rainfall is expected at 16h.
The temperature will vary between a minimum of 25°C and a maximum of 31°C. The feels-like temperature will vary between a minimum of 29°C and a maximum of 40°C. The hottest part of the day will be from 12h to 16h.
The highest temperature will be close to October's average maximum of 33.6°C. The expected low will be also resembling the average minimum in October, which is 25.6°C.
Updated: Oct 20, 2026 @ 09:06:44 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, in Cacheu, afternoon storms could include thunder and brief downpours.

Moderate precipitation of 11mm is predicted. The likelihood of rainfall is high at 90%.

Tomorrow, the highest temperature will be 32°C, while the lowest temperature will be 24°C. The maximum heat index, which adjusts the air temperature based on humidity, is computed to be 46°C.
The maximum temperature will be in line with the average highest temperature 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).

Tomorrow, the daylight will last for 11h and 48min.