Bissau weather live forecast

Today's maximum temperature in Bissau is expected to be 88°F. 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 88°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 30% chance of some rain and a light breeze of 7 mph from the south.

  • 88°F maximum temperature88
    °F maximum temperature
  • 75°F minimum temperature75
    °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)
  • 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 7 mph from the South7
    mph 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 84°F, 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 5 mph from the south-east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 75°F minimum temperature75
    °F 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 5 mph from the South-East5
    mph 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 86°F, 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 7 mph from the south.

  • 86°F maximum temperature86
    °F maximum temperature
  • 75°F minimum temperature75
    °F 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 7 mph from the South7
    mph 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 90°F, 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 5 mph from the south-west.

  • 90°F maximum temperature90
    °F maximum temperature
  • 77°F minimum temperature77
    °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)
  • 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 5 mph from the South-West5
    mph 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 90°F, 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 6 mph from the north-west.

  • 90°F maximum temperature90
    °F maximum temperature
  • 77°F minimum temperature77
    °F 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 6 mph from the North-West6
    mph wind from NW

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