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Guinea-Bissau weather live forecast
Today's maximum temperature in Guinea-Bissau is expected to be 30°C. Select a day from the live weather forecast for Guinea-Bissau (Bissau) for more weather parameters.
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Tuesday
16th Sep
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Wednesday
17th Sep -
Thursday
18th Sep -
Friday
19th Sep -
Saturday
20th Sep
5-day weather forecast updated at 04:00 on Tuesday 16th 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.
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 Tuesday 16th September 2025
Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a gentle breeze of 16 kph from the south.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- kph wind from S
Guinea-Bissau weather for Wednesday 17th September 2025
Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 60% chance of some rain and a light breeze of 11 kph from the south.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- kph wind from S
Guinea-Bissau weather for Thursday 18th September 2025
Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 88% chance of some rain and a light breeze of 8 kph from the south.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- kph wind from S
Guinea-Bissau weather for Friday 19th September 2025
Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 31°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 72% chance of some rain and a light breeze of 12 kph from the south.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- high heat & humidity
- kph wind from S
Guinea-Bissau weather for Saturday 20th September 2025
Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 67% chance of some rain and a light breeze of 10 kph from the west.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- high heat & humidity
- kph wind from W
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Metric (°C / mm) | Imperial (°F / inches)
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