Sri Lanka weather live forecast

Today's maximum temperature in Sri Lanka is expected to be 29°C. Select a day from the live weather forecast for Sri Lanka (Colombo) for more weather parameters.

5-day weather forecast updated at 04:00 on Wednesday 17th 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.

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Sri Lanka weather forecast by day

Below are the detailed weather forecasts for Sri Lanka for the next 5 days. The forecasts shown are for Colombo and may not represent the whole of Sri Lanka. Browse more destinations in Sri Lanka to view more weather forecasts.

Sri Lanka weather for Thursday 18th September 2025

Expect isolated thunderstorms in Sri Lanka with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 90% 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 7 (High)7
    UV index (High)
  • 90% chance of some rain90
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    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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Sri Lanka weather for Friday 19th September 2025

Expect isolated thunderstorms in Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 92% chance of some rain92
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    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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Sri Lanka weather for Saturday 20th September 2025

Expect isolated thunderstorms in Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 30°C maximum temperature30
    °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 10 (Very High)10
    UV index (Very High)
  • 87% chance of some rain87
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    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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Sri Lanka weather for Sunday 21st September 2025

Expect isolated thunderstorms in Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 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 8 (Very High)8
    UV index (Very High)
  • 98% chance of some rain98
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Sri Lanka weather for Monday 22nd September 2025

Expect isolated thunderstorms in 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 5-10 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 83% chance of some rain83
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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

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