Guinea-Bissau weather live forecast

Today's maximum temperature in Guinea-Bissau is expected to be 79°F. Select a day from the live weather forecast for Guinea-Bissau (Bissau) for more weather parameters.

• Friday
  15th Aug
  79
  75
  
  1
  4
• Saturday
  16th Aug
  82
  77
  
  3
  7
• Sunday
  17th Aug
  84
  77
  
  3
  8
• Monday
  18th Aug
  79
  75
  
  0
  4
• Tuesday
  19th Aug
  82
  77
  
  3
  11

5-day weather forecast updated at 04:00 on Friday 15th August 2025 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.

• 79
  Bissau
• 79
  Bubaque
• 79
  Gabu

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 Friday 15th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 10 mph from the south-west.

• 79
  °F maximum temperature
• 75
  °F minimum temperature
• 
  isolated thunderstorms
• 1
  hour of sunshine
• 4
  UV index (Moderate)
• 74
  % chance of some rain
• <20
  mm of rainfall expected
• L
  low heat & humidity
• 10
  mph wind from SW

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Guinea-Bissau weather for Saturday 16th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 9 mph from the south-west.

• 82
  °F maximum temperature
• 77
  °F minimum temperature
• 
  isolated thunderstorms
• 3
  hours of sunshine
• 7
  UV index (High)
• 88
  % chance of some rain
• <20
  mm of rainfall expected
• M
  moderate heat & humidity
• 9
  mph wind from SW

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Guinea-Bissau weather for Sunday 17th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 9 mph from the west.

• 84
  °F maximum temperature
• 77
  °F minimum temperature
• 
  isolated thunderstorms
• 3
  hours of sunshine
• 8
  UV index (Very High)
• 99
  % chance of some rain
• <30
  mm of rainfall expected
• M
  moderate heat & humidity
• 9
  mph wind from W

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Guinea-Bissau weather for Monday 18th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 40-50 mm of rainfall expected with 98% chance of some rain and a light breeze of 7 mph from the west.

• 79
  °F maximum temperature
• 75
  °F minimum temperature
• 
  isolated thunderstorms
• 0
  hours of sunshine
• 4
  UV index (Moderate)
• 98
  % chance of some rain
• <50
  mm of rainfall expected
• L
  low heat & humidity
• 7
  mph wind from W

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Guinea-Bissau weather for Tuesday 19th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 11 mph from the south-west.

• 82
  °F maximum temperature
• 77
  °F minimum temperature
• 
  isolated thunderstorms
• 3
  hours of sunshine
• 11
  UV index (Extreme)
• 91
  % chance of some rain
• <30
  mm of rainfall expected
• M
  moderate heat & humidity
• 11
  mph wind from SW

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Metric (°C)  |  Imperial (°F)

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