Porto Alegre weather live forecast

Today's maximum temperature in Porto Alegre is expected to be 21°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 Monday 25th May 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 Monday 25th May 2026

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 21°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 3 kph from the east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)UV4
    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 East3
    kph wind from E

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Porto Alegre weather for Tuesday 26th May 2026

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 58% chance of some rain and little or no wind of 3 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)UV3
    UV index (Moderate)
  • 58% chance of some rain58
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 3 kph from the South-West3
    kph wind from SW

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Porto Alegre weather for Wednesday 27th May 2026

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the south-east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)UV3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Little or no wind of 3 kph from the South-East3
    kph wind from SE

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Porto Alegre weather for Thursday 28th May 2026

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)UV4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 4 kph from the South-East4
    kph wind from SE

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Porto Alegre weather for Friday 29th May 2026

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)UV4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 2 kph from the South-East2
    kph wind from SE

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  • Find last minute deals or early bird discounts
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