Porto Alegre weather live forecast

Today's maximum temperature in Porto Alegre is expected to be 88°F. 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 Sunday 16th November 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 Sunday 16th November 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 20-30 mm of rainfall expected with 72% chance of some rain and a light breeze of 6 mph from the north-west.

  • 88°F maximum temperature88
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 72% chance of some rain72
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 6 mph from the North-West6
    mph wind from NW

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Porto Alegre weather for Monday 17th November 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 73°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a light breeze of 6 mph from the south.

  • 73°F maximum temperature73
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 38% chance of some rain38
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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Porto Alegre weather for Tuesday 18th November 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the west.

  • 81°F maximum temperature81
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 5 mph from the West5
    mph wind from W

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Porto Alegre weather for Wednesday 19th November 2025

Expect sunshine and showers in Porto Alegre, Brazil with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a light breeze of 4 mph from the east.

  • 81°F maximum temperature81
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 17% chance of some rain17
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 4 mph from the East4
    mph wind from E

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Porto Alegre weather for Thursday 20th November 2025

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south-east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 4 mph from the South-East4
    mph wind from SE

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