Colombo weather live forecast

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

5-day weather forecast updated at 04:00 on Tuesday 16th September 2025 GMT

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

Colombo weather forecast by day

Below are the detailed weather forecasts for Colombo for the next 5 days.

Colombo weather for Tuesday 16th September 2025

Expect isolated thunderstorms in Colombo, Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 15 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 77% chance of some rain77
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Colombo weather for Wednesday 17th September 2025

Expect isolated thunderstorms in Colombo, Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 15 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    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
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Colombo weather for Thursday 18th September 2025

Expect isolated thunderstorms in Colombo, Sri Lanka with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 15 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 92% chance of some rain92
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Colombo weather for Friday 19th September 2025

Expect isolated thunderstorms in Colombo, Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 15 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 87% chance of some rain87
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Colombo weather for Saturday 20th September 2025

Expect isolated thunderstorms in Colombo, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 91% chance of some rain91
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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

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