Bissau weather live forecast

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

5-day weather forecast updated at 04:00 on Wednesday 17th September 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.

Bissau weather forecast by day

Below are the detailed weather forecasts for Bissau for the next 5 days.

Bissau weather for Wednesday 17th September 2025

Expect isolated thunderstorms in Bissau, Guinea-Bissau with a maximum temperature of 31°C, 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 30% chance of some rain and a light breeze of 11 kph from the south.

  • 31°C maximum temperature31
    °C maximum temperature
  • 24°C minimum temperature24
    °C 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)
  • 30% chance of some rain30
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 11 kph from the South11
    kph wind from S

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Bissau weather for Thursday 18th September 2025

Expect isolated thunderstorms in Bissau, Guinea-Bissau with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 97% chance of some rain and a light breeze of 8 kph from the south-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 97% chance of some rain97
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-East8
    kph wind from SE

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Bissau weather for Friday 19th September 2025

Expect isolated thunderstorms in Bissau, Guinea-Bissau with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a light breeze of 12 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 75% chance of some rain75
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 12 kph from the South12
    kph wind from S

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Bissau weather for Saturday 20th September 2025

Expect isolated thunderstorms in Bissau, Guinea-Bissau with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 64% chance of some rain and a light breeze of 8 kph from the south-west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 25°C minimum temperature25
    °C 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)
  • 64% chance of some rain64
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Bissau weather for Sunday 21st September 2025

Expect isolated thunderstorms in Bissau, Guinea-Bissau with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a light breeze of 9 kph from the north-west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 67% chance of some rain67
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Metric (°C / mm)  |  Imperial (°F / inches)

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