Guinea-Bissau weather live forecast

Today's maximum temperature in Guinea-Bissau is expected to be 31°C. Select a day from the live weather forecast for Guinea-Bissau (Bissau) for more weather parameters.

• Monday
  25th May
  31
  26
  
  6
  UV7
• Tuesday
  26th May
  32
  26
  
  2
  UV9
• Wednesday
  27th May
  35
  26
  
  5
  UV10
• Thursday
  28th May
  33
  26
  
  9
  UV11
• Friday
  29th May
  33
  26
  
  6
  UV11

5-day weather forecast updated at 04:00 on Sunday 24th May 2026 GMT

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The 5-day weather forecast for Guinea-Bissau (Bissau) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Guinea-Bissau destinations

Below are temperatures expected today at popular countries, regions and places in Guinea-Bissau. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

• 36
  Gabu
• 31
  Bissau
• 28
  Bubaque

All Guinea-Bissau destinations

• Bissau
• Bubaque
• Gabu

Guinea-Bissau weather forecast by day

Below are the detailed weather forecasts for Guinea-Bissau for the next 5 days. The forecasts shown are for Bissau and may not represent the whole of Guinea-Bissau. Browse more destinations in Guinea-Bissau to view more weather forecasts.

Guinea-Bissau weather for Monday 25th May 2026

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 17 kph from the south-west.

• 31
  °C maximum temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• UV7
  UV index (High)
• 39
  % chance of some rain
• <5
  mm of rainfall expected
• M
  moderate heat & humidity
• 17
  kph wind from SW

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Guinea-Bissau weather for Tuesday 26th May 2026

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 15 kph from the west.

• 32
  °C maximum temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 2
  hours of sunshine
• UV9
  UV index (Very High)
• 44
  % chance of some rain
• <10
  mm of rainfall expected
• H
  high heat & humidity
• 15
  kph wind from W

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Guinea-Bissau weather for Wednesday 27th May 2026

Expect broken clouds in Guinea-Bissau with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

• 35
  °C maximum temperature
• 26
  °C minimum temperature
• 
  broken clouds
• 5
  hours of sunshine
• UV10
  UV index (Very High)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 17
  kph wind from SW

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Guinea-Bissau weather for Thursday 28th May 2026

Expect scattered clouds in Guinea-Bissau with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

• 33
  °C maximum temperature
• 26
  °C minimum temperature
• 
  scattered clouds
• 9
  hours of sunshine
• UV11
  UV index (Extreme)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 18
  kph wind from SW

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Guinea-Bissau weather for Friday 29th May 2026

Expect broken clouds in Guinea-Bissau with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

• 33
  °C maximum temperature
• 26
  °C minimum temperature
• 
  broken clouds
• 6
  hours of sunshine
• UV11
  UV index (Extreme)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 17
  kph wind from SW

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