Porto Alegre weather live forecast

Tomorrow's maximum temperature in Porto Alegre is expected to be 27°C.

5-day weather forecast updated at 04:00 on Tuesday 6th 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 Tuesday 6th May 2025

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Broken clouds
    broken 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
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 13 kph from the South-East13
    kph wind from SE

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Porto Alegre weather for Wednesday 7th May 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 41% chance of some rain and a light breeze of 10 kph from the north-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 41% chance of some rain41
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the North-East10
    kph wind from NE

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Porto Alegre weather for Thursday 8th May 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 28% chance of some rain and a light breeze of 12 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 28% chance of some rain28
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 12 kph from the East12
    kph wind from E

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Porto Alegre weather for Friday 9th May 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 76% chance of some rain and a moderate breeze of 20 kph from the north.

  • 27°C maximum temperature27
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 76% chance of some rain76
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 20 kph from the North20
    kph wind from N

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Porto Alegre weather for Saturday 10th May 2025

Expect sunshine and showers in Porto Alegre, Brazil with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 33% chance of some rain33
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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

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