Porto Alegre weather live forecast

Tomorrow's maximum temperature in Porto Alegre is expected to be 55°F.

5-day weather forecast updated at 04:00 on Friday 18th July 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 Friday 18th July 2025

Expect mostly cloudy with rain in Porto Alegre, Brazil with a maximum temperature of 55°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 17 mph from the west.

  • 55°F maximum temperature55
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 64% chance of some rain64
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 17 mph from the West17
    mph wind from W

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Porto Alegre weather for Saturday 19th July 2025

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 59°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-west.

  • 59°F maximum temperature59
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 59°F wind chill59
    °F wind chill
  • Light breeze of 6 mph from the North-West6
    mph wind from NW

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Porto Alegre weather for Sunday 20th July 2025

Expect fog in low lying areas in Porto Alegre, Brazil with a maximum temperature of 64°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south-east.

  • 64°F maximum temperature64
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 64°F wind chill64
    °F wind chill
  • Light breeze of 5 mph from the South-East5
    mph wind from SE

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Porto Alegre weather for Monday 21st July 2025

Expect fog in low lying areas in Porto Alegre, Brazil with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north-west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 4 mph from the North-West4
    mph wind from NW

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Porto Alegre weather for Tuesday 22nd July 2025

Expect fog in low lying areas in Porto Alegre, Brazil with a maximum temperature of 64°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.

  • 64°F maximum temperature64
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 mph from the South7
    mph wind from S

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