Guinea-Bissau weather live forecast

Today's maximum temperature in Guinea-Bissau is expected to be 35°C. Select a day from the live weather forecast for Guinea-Bissau (Bissau) for more weather parameters.

• Tuesday
  19th May
  35
  23
  
  9
  10
• Wednesday
  20th May
  35
  22
  
  13
  11
• Thursday
  21st May
  33
  23
  
  12
  11
• Friday
  22nd May
  32
  24
  
  10
  11
• Saturday
  23rd May
  32
  25
  
  5
  7

5-day weather forecast updated at 04:00 on Monday 18th 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.

• 40
  Gabu
• 35
  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 Tuesday 19th May 2026

Expect scattered clouds in Guinea-Bissau with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

• 35
  °C maximum temperature
• 23
  °C minimum temperature
• 
  scattered clouds
• 9
  hours of sunshine
• 10
  UV index (Very High)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 17
  kph wind from W

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Guinea-Bissau weather for Wednesday 20th May 2026

Expect clear skies in Guinea-Bissau with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

• 35
  °C maximum temperature
• 22
  °C minimum temperature
• 
  clear skies
• 13
  hours of sunshine
• 11
  UV index (Extreme)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 19
  kph wind from SW

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Guinea-Bissau weather for Thursday 21st 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 12 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
• 23
  °C minimum temperature
• 
  scattered clouds
• 12
  hours of sunshine
• 11
  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 22nd May 2026

Expect scattered clouds in Guinea-Bissau with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

• 32
  °C maximum temperature
• 24
  °C minimum temperature
• 
  scattered clouds
• 10
  hours of sunshine
• 11
  UV index (Extreme)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 19
  kph wind from S

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Guinea-Bissau weather for Saturday 23rd May 2026

Expect broken clouds in Guinea-Bissau with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

• 32
  °C maximum temperature
• 25
  °C minimum temperature
• 
  broken clouds
• 5
  hours of sunshine
• 7
  UV index (High)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 19
  kph wind from SW

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