Guinea-Bissau weather live forecast

Today's maximum temperature in Guinea-Bissau is expected to be 26°C. Select a day from the live weather forecast for Guinea-Bissau (Bissau) for more weather parameters.

• Friday
  15th Aug
  26
  24
  
  1
  4
• Saturday
  16th Aug
  28
  25
  
  3
  7
• Sunday
  17th Aug
  29
  25
  
  3
  8
• Monday
  18th Aug
  26
  24
  
  0
  4
• Tuesday
  19th Aug
  28
  25
  
  3
  11

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

More about Guinea-Bissau

• 
  Overview
• 
  Best time to visit
• 
  Weather by month
• 
  Destinations
• 
  Travel advice
• 
  Deals & discounts

Guinea-Bissau by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Guinea-Bissau

• VRBO^*
• Roamless^*
• Expedia^*
• KAYAK^*

Rentalcars.com: Discount car hire worldwide

Sale

• Compare car hire prices to find best deal online
• Book flexible bookings with free cancellation policy
• No hidden fees + price match guarantee

Go to Rentalcars.com deal >>

View all Rentalcars.com offers

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.

• 26
  Bissau
• 26
  Bubaque
• 26
  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 26°C, 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 16 kph from the south-west.

• 26
  °C maximum temperature
• 24
  °C 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
• 16
  kph wind from SW

Back to top

Guinea-Bissau weather for Saturday 16th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 28°C, 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 15 kph from the south-west.

• 28
  °C maximum temperature
• 25
  °C 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
• 15
  kph wind from SW

Back to top

Guinea-Bissau weather for Sunday 17th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 29°C, 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 14 kph from the west.

• 29
  °C maximum temperature
• 25
  °C 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
• 14
  kph wind from W

Back to top

Guinea-Bissau weather for Monday 18th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 26°C, 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 11 kph from the west.

• 26
  °C maximum temperature
• 24
  °C 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
• 11
  kph wind from W

Back to top

Guinea-Bissau weather for Tuesday 19th August 2025

Expect isolated thunderstorms in Guinea-Bissau with a maximum temperature of 28°C, 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 18 kph from the south-west.

• 28
  °C maximum temperature
• 25
  °C 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
• 18
  kph wind from SW

Back to top

Auto Europe: Cheap car hire deals worldwide

Sale

• Compare car hire prices to find lowest rate
• Free cancellation up to 48 hours before pick up
• Book car hire for over 20,000 destinations worldwide

Go to Auto Europe deal >>

View all Auto Europe offers

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

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

• Beach holidays
• Family holidays
• City breaks
• Summer holidays
• Winter sun holidays
• Holiday offers
• Top travel brands
• Airlines & flights
• Discount hotels
• Airport parking deals
• TUI
• Jet2holidays
• easyJet holidays
• Love Holidays
• January sales

More holidays

Airport parking

• Manchester Airport
• Stansted Airport
• Bristol Airport
• Luton Airport
• Birmingham Airport
• Edinburgh Airport
• Gatwick Airport
• Glasgow Airport
• Newcastle Airport

More parking

Airport lounges

• Manchester Airport
• Birmingham Airport
• Bristol Airport
• Edinburgh Airport
• Glasgow Airport
• Heathrow Airport
• Newcastle Airport
• Stansted Airport
• Gatwick Airport

More lounges

Top ^