Porto Alegre weather live forecast

Today's maximum temperature in Porto Alegre is expected to be 29°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 Thursday 26th March 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 Thursday 26th March 2026

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 15 kph from the south.

  • 29°C maximum temperature29
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 31% chance of some rain31
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the South15
    kph wind from S

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Porto Alegre weather for Friday 27th March 2026

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

  • 32°C maximum temperature32
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 12 kph from the East12
    kph wind from E

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Porto Alegre weather for Saturday 28th March 2026

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

  • 33°C maximum temperature33
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

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Porto Alegre weather for Sunday 29th March 2026

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

  • 32°C maximum temperature32
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the South-East15
    kph wind from SE

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Porto Alegre weather for Monday 30th March 2026

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 37% chance of some rain37
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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  • Find last minute deals or early bird discounts
  • Filter offers by price, destination, ship & departure point
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Metric (°C / mm)  |  Imperial (°F / inches)

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