Sao Luis weather live forecast

Today's maximum temperature in Sao Luis is expected to be 30°C. Select a day from the live weather forecast for Sao Luis, Brazil for more weather parameters.

5-day weather forecast updated at 04:00 on Tuesday 12th May 2026 GMT

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The 5-day weather forecast for Brazil (Sao Luis) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Sao Luis weather forecast by day

Below are the detailed weather forecasts for Sao Luis for the next 5 days.

Sao Luis weather for Tuesday 12th May 2026

Expect isolated thunderstorms in Sao Luis, Brazil with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 14 kph from the north-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 85% chance of some rain85
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the North-East14
    kph wind from NE

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Sao Luis weather for Wednesday 13th May 2026

Expect isolated thunderstorms in Sao Luis, Brazil with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 90% chance of some rain and a light breeze of 11 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 90% chance of some rain90
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 11 kph from the East11
    kph wind from E

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Sao Luis weather for Thursday 14th May 2026

Expect isolated thunderstorms in Sao Luis, Brazil with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a light breeze of 9 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 91% chance of some rain91
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the North-East9
    kph wind from NE

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Sao Luis weather for Friday 15th May 2026

Expect isolated thunderstorms in Sao Luis, Brazil with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a light breeze of 10 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 87% chance of some rain87
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the North-East10
    kph wind from NE

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Sao Luis weather for Saturday 16th May 2026

Expect isolated thunderstorms in Sao Luis, Brazil with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a light breeze of 11 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 88% chance of some rain88
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 11 kph from the North-East11
    kph wind from NE

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