Porto Alegre weather live forecast

Today's maximum temperature in Porto Alegre is expected to be 20°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 Tuesday 7th October 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 7th October 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 20°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

  • 20°C maximum temperature20
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Little or no wind of 5 kph from the South5
    kph wind from S

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Porto Alegre weather for Wednesday 8th October 2025

Expect clear skies in Porto Alegre, Brazil with a maximum temperature of 20°C, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the East8
    kph wind from E

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Porto Alegre weather for Thursday 9th October 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the East7
    kph wind from E

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Porto Alegre weather for Friday 10th October 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 6 kph from the East6
    kph wind from E

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Porto Alegre weather for Saturday 11th October 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 16°C minimum temperature16
    °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
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 5 kph from the East5
    kph wind from E

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

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