Guinea-Bissau weather live forecast

Tomorrow's maximum temperature in Guinea-Bissau is expected to be 90°F.

5-day weather forecast updated at 04:00 on Saturday 31st May 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.

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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 Saturday 31st May 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a light breeze of 7 mph from the south-west.

  • 90°F maximum temperature90
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 7 mph from the South-West7
    mph wind from SW

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Guinea-Bissau weather for Sunday 1st June 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a gentle breeze of 8 mph from the south-west.

  • 91°F maximum temperature91
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 18% chance of some rain18
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 8 mph from the South-West8
    mph wind from SW

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Guinea-Bissau weather for Monday 2nd June 2025

Expect broken clouds in Guinea-Bissau with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the west.

  • 95°F maximum temperature95
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 7 mph from the West7
    mph wind from W

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Guinea-Bissau weather for Tuesday 3rd June 2025

Expect scattered clouds in Guinea-Bissau with a maximum temperature of 97°F, 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 9 mph from the south-west.

  • 97°F maximum temperature97
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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Guinea-Bissau weather for Wednesday 4th June 2025

Expect scattered clouds in Guinea-Bissau with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

  • 91°F maximum temperature91
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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Metric (°C)  |  Imperial (°F)

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