Porto Alegre weather live forecast

Today's maximum temperature in Porto Alegre is expected to be 19°C. Select a day from the live weather forecast for Porto Alegre, Brazil for more weather parameters.

5-day weather forecast updated at 04:00 on Saturday 27th June 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 27th June 2026

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and little or no wind of 2 kph from the east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 41% chance of some rain41
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 2 kph from the East2
    kph wind from E

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Porto Alegre weather for Sunday 28th June 2026

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 18°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and little or no wind of 4 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 99% chance of some rain99
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Little or no wind of 4 kph from the West4
    kph wind from W

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Porto Alegre weather for Monday 29th June 2026

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the south.

  • 14°C maximum temperature14
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 3 kph from the South3
    kph wind from S

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Porto Alegre weather for Tuesday 30th June 2026

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 14°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and little or no wind of 3 kph from the south-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 75% chance of some rain75
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 3 kph from the South-East3
    kph wind from SE

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Porto Alegre weather for Wednesday 1st July 2026

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 17°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and little or no wind of 3 kph from the west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 73% chance of some rain73
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Little or no wind of 3 kph from the West3
    kph wind from W

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