Porto Alegre weather live forecast

Today's maximum temperature in Porto Alegre is expected to be 12°C. Select a day from the live weather forecast for Porto Alegre, Brazil for more weather parameters.

• Saturday
  22nd Aug
  12
  8
  
  8
  5
• Sunday
  23rd Aug
  13
  6
  
  9
  6
• Monday
  24th Aug
  14
  7
  
  3
  4
• Tuesday
  25th Aug
  17
  7
  
  7
  6
• Wednesday
  26th Aug
  23
  12
  
  6
  5

5-day weather forecast updated at 04:00 on Saturday 22nd August 2026 GMT

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The 5-day weather forecast for Brazil (Porto Alegre) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Porto Alegre weather forecast by day

Below are the detailed weather forecasts for Porto Alegre for the next 5 days.

Porto Alegre weather for Saturday 22nd August 2026

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the west.

• 12
  °C maximum temperature
• 8
  °C minimum temperature
• 
  scattered clouds
• 8
  hours of sunshine
• 5
  UV index (Moderate)
• 0
  mm of rainfall expected
• 0
  no heat & humidity
• 5
  kph wind from W

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Porto Alegre weather for Sunday 23rd August 2026

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 13°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the west.

• 13
  °C maximum temperature
• 6
  °C minimum temperature
• 
  scattered clouds
• 9
  hours of sunshine
• 6
  UV index (High)
• 0
  mm of rainfall expected
• 0
  no heat & humidity
• 3
  kph wind from W

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Porto Alegre weather for Monday 24th August 2026

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-east.

• 14
  °C maximum temperature
• 7
  °C minimum temperature
• 
  broken clouds
• 3
  hours of sunshine
• 4
  UV index (Moderate)
• 0
  mm of rainfall expected
• 14
  °C wind chill
• 4
  kph wind from SE

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Porto Alegre weather for Tuesday 25th August 2026

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 17°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the east.

• 17
  °C maximum temperature
• 7
  °C minimum temperature
• 
  scattered clouds
• 7
  hours of sunshine
• 6
  UV index (High)
• 0
  mm of rainfall expected
• 0
  no heat & humidity
• 5
  kph wind from E

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Porto Alegre weather for Wednesday 26th August 2026

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the east.

• 23
  °C maximum temperature
• 12
  °C minimum temperature
• 
  broken clouds
• 6
  hours of sunshine
• 5
  UV index (Moderate)
• 0
  mm of rainfall expected
• 23
  °C wind chill
• 4
  kph wind from E

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