Porto Alegre weather live forecast

Tomorrow's maximum temperature in Porto Alegre is expected to be 73°F.

5-day weather forecast updated at 04:00 on Friday 9th May 2025 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 Friday 9th May 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 73°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 12 mph from the south-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 99% chance of some rain99
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 12 mph from the South-West12
    mph wind from SW

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Porto Alegre weather for Saturday 10th May 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 68°F, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the West9
    mph wind from W

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Porto Alegre weather for Sunday 11th May 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

  • 68°F maximum temperature68
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Porto Alegre weather for Monday 12th May 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 73°F, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the east.

  • 73°F maximum temperature73
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Moderate breeze of 12 mph from the East12
    mph wind from E

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Porto Alegre weather for Tuesday 13th May 2025

Expect clear skies in Porto Alegre, Brazil with a maximum temperature of 75°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.

  • 75°F maximum temperature75
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Clear skies
    clear skies
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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