Weather forecast for tomorrowGuinea-Bissau

Weather forecast for tomorrow

Wednesday 28. Oct 2026

  • 34°C
  • 25°C
PM Showers
PM Showers
  • Precip. probability: 35%
  • Precipitation: 2mm
  • Wind: 15km/hWSW 255°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 06:54 GMT
  • Sunset: 18:38 GMT
  • ▼
Tomorrow, passing showers could bring some wet conditions later in the day.
Minimal precipitation is predicted. Temperatures will oscillate between a tropical 34°C at their highest and a temperate 25°C at their lowest.
The maximum heat index, which modifies the air temperature to account for humidity, is appraised at a searing 50°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.
The highest temperature is anticipated to be a few degrees higher than the average October peak of 31.1°C.
Sunrise will be at 06:54 and sunset at 18:38; tomorrow's daylight will last for 11h and 44min.

Hourly overview

Hourly temperatures

Warmest period: 12h - 15h 43°C.
Coldest period: 3h - 6h 32°C.

Chance of precipitation

Highest chance: 15h 34%.

Hourly weather forecast

  • 0h
  • 28°C
  • Feels like:
    34°C
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 11km/hWSW 257°
  • Humidity: 93%
  • Pressure: 1013mbar
  • Visibility: 12km
  • UV index: 0
  • ▼
  • 2h
  • 27°C
  • Feels like:
    32°C
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 9km/hW 271°
  • Humidity: 94%
  • Pressure: 1012mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 4h
  • 27°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 8km/hWNW 290°
  • Humidity: 95%
  • Pressure: 1011mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 6h
  • 27°C
  • Feels like:
    32°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 7km/hWNW 295°
  • Humidity: 97%
  • Pressure: 1012mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunrise: 06:54
  • 8h
  • 27°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 6km/hWNW 298°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 1
  • ▼
  • 10h
  • 31°C
  • Feels like:
    39°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 7km/hW 277°
  • Humidity: 78%
  • Pressure: 1014mbar
  • Visibility: 12km
  • UV index: 6
  • ▼
  • 12h
  • 33°C
  • Feels like:
    43°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 239°
  • Humidity: 67%
  • Pressure: 1013mbar
  • Visibility: 12km
  • UV index: 11
  • ▼
  • 14h
  • 33°C
  • Feels like:
    43°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 12km/hSW 227°
  • Humidity: 68%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 10
  • ▼
  • 16h
  • 33°C
  • Feels like:
    42°C
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 1mm
  • Wind: 15km/hSW 231°
  • Humidity: 71%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 4
  • ▼
  • 18h
  • 31°C
  • Feels like:
    39°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 14km/hWSW 245°
  • Humidity: 78%
  • Pressure: 1011mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Sunset: 18:38
  • 20h
  • 29°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 12km/hWSW 257°
  • Humidity: 87%
  • Pressure: 1013mbar
  • Visibility: 12km
  • UV index: 0
  • ▼
  • 22h
  • 28°C
  • Feels like:
    33°C
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 1mm
  • Wind: 11km/hW 268°
  • Humidity: 90%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of cloudy and damp weather is anticipated.
With minimal precipitation of 1mm, rain is predicted from 15h to 17h, 19h, 22h and at 23h.
The temperature will vary between a minimum of 27°C and a maximum of 33°C. The feels-like temperature will be between a minimum of 32°C and a maximum of 43°C. The hottest part of the day will be from 12h to 16h.
The forecasted high will be a couple of degrees higher than the typical October maximum of 31.1°C. The nighttime low will be also moderately higher than the typical October minimum temperature of 22.8°C.
Updated: Oct 27, 2026 @ 21:39:35 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, expect light rain showers during the afternoon, though they should remain brief.

Tomorrow, there is a low chance of minimal precipitation in Bissau.

Tomorrow, the highest temperature will be 34°C, while the lowest temperature will be 25°C. The maximum heat index, which combines relative humidity and air temperature, is appraised at 50°C.
The highest temperature will be relatively higher than the average maximum of 31.1°C in October. The lowest temperature will be also relatively higher than the average low of 22.8°C.

On Wednesday, in Bissau, sunrise will be at 06:54 and sunset at 18:38 (GMT).

In Bissau, tomorrow, there will be 11h and 44min of daylight.