Mirissa Beach weather live forecast

Today's maximum temperature in Mirissa Beach is expected to be 31°C. Select a day from the live weather forecast for Mirissa Beach, Sri Lanka for more weather parameters.

5-day weather forecast updated at 04:02 on Friday 15th August 2025 GMT

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

Mirissa Beach weather forecast by day

Below are the detailed weather forecasts for Mirissa Beach for the next 5 days.

Mirissa Beach weather for Friday 15th August 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a moderate breeze of 22 kph from the west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 52% chance of some rain52
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 22 kph from the West22
    kph wind from W

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Mirissa Beach weather for Saturday 16th August 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 21 kph from the 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 9 (Very High)9
    UV index (Very High)
  • 60% chance of some rain60
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 21 kph from the West21
    kph wind from W

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Mirissa Beach weather for Sunday 17th August 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 23 kph from the west.

  • 30°C maximum temperature30
    °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 10 (Very High)10
    UV index (Very High)
  • 76% chance of some rain76
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 23 kph from the West23
    kph wind from W

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Mirissa Beach weather for Monday 18th August 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 22 kph from the west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 68% chance of some rain68
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 22 kph from the West22
    kph wind from W

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Mirissa Beach weather for Tuesday 19th August 2025

Expect broken clouds in Mirissa Beach, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 24 kph from the West24
    kph wind from W

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

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