Porto Alegre weather live forecast

Tomorrow's maximum temperature in Porto Alegre is expected to be 20°C.

5-day weather forecast updated at 04:00 on Monday 16th June 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 Monday 16th June 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Porto Alegre weather for Tuesday 17th June 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 21°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 15 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 98% chance of some rain98
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the North15
    kph wind from N

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Porto Alegre weather for Wednesday 18th June 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 18°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 98% chance of some rain and a light breeze of 10 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 98% chance of some rain98
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Light breeze of 10 kph from the South10
    kph wind from S

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Porto Alegre weather for Thursday 19th June 2025

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 81% chance of some rain and a gentle breeze of 16 kph from the south-east.

  • 17°C maximum temperature17
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 81% chance of some rain81
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the South-East16
    kph wind from SE

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Porto Alegre weather for Friday 20th June 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 19°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 64% chance of some rain64
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

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

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