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: 16km/hWSW 255°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 06:54 GMT
  • Sunset: 18:38 GMT
  • ▼
Tomorrow, on Wednesday, expect brief rain showers to develop during the afternoon.
Minimal precipitation is forecasted. The temperature is expected to vary between a maximum of a blazing 34°C and a minimum of a warm 25°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is appraised at a dangerously hot 50°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Expected temperatures are trending slightly warmer than October's climate norm 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 42°C.
Coldest period: 3h - 6h 32°C.

Chance of precipitation

Highest chance: 15h 36%.

Hourly weather forecast

  • 0h
  • 28°C
  • Feels like:
    34°C
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 5km/hWSW 257°
  • Humidity: 94%
  • Pressure: 1013mbar
  • Visibility: 11km
  • 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: 5%
  • 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 296°
  • Humidity: 97%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunrise: 06:54
  • 8h
  • 27°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 6km/hWNW 297°
  • Humidity: 95%
  • 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:
    42°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 9km/hSW 236°
  • Humidity: 67%
  • Pressure: 1013mbar
  • Visibility: 12km
  • UV index: 11
  • ▼
  • 14h
  • 33°C
  • Feels like:
    43°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 13km/hSW 227°
  • Humidity: 69%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 10
  • ▼
  • 16h
  • 32°C
  • Feels like:
    42°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 15km/hSW 232°
  • Humidity: 72%
  • Pressure: 1010mbar
  • Visibility: 12km
  • UV index: 4
  • ▼
  • 18h
  • 31°C
  • Feels like:
    39°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 15km/hWSW 246°
  • 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 258°
  • 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: 89%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Tomorrow, primarily dull and occasionally rain-filled weather is forecasted.
With minimal precipitation of 1mm, rain is expected from 15h to 17h, 22h and at 23h.
The temperature will vary between the lowest temperature of 26°C and the highest temperature 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 15h.
The maximum temperature will be moderately higher than October's average high of 31.1°C. The lowest temperature is expected to be also a couple of degrees higher than the average minimum in October, typically 22.8°C.
Updated: Oct 27, 2026 @ 22:46:02 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, afternoon showers are expected.

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

Tomorrow, the maximum temperature will be 34°C, while the minimum temperature will be 25°C. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is assessed 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).

Tomorrow, the daylight will last for 11h and 44min.