Mirissa Beach weather live forecast

Today's maximum temperature in Mirissa Beach is expected to be 91°F. Select a day from the live weather forecast for Mirissa Beach, Sri Lanka for more weather parameters.

5-day weather forecast updated at 04:03 on Sunday 7th September 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 Sunday 7th September 2025

Expect scattered clouds in Mirissa Beach, Sri Lanka with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the west.

  • 91°F maximum temperature91
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Moderate breeze of 17 mph from the West17
    mph wind from W

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Mirissa Beach weather for Monday 8th September 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 14 mph from the west.

  • 88°F maximum temperature88
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 59% chance of some rain59
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 14 mph from the West14
    mph wind from W

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Mirissa Beach weather for Tuesday 9th September 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 12 mph from the west.

  • 90°F maximum temperature90
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 39% chance of some rain39
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 12 mph from the West12
    mph wind from W

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Mirissa Beach weather for Wednesday 10th September 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a gentle breeze of 11 mph from the west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 89% chance of some rain89
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 11 mph from the West11
    mph wind from W

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Mirissa Beach weather for Thursday 11th September 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 84°F, 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 91% chance of some rain and a gentle breeze of 11 mph from the west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 77°F minimum temperature77
    °F 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)
  • 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
  • Gentle breeze of 11 mph from the West11
    mph wind from W

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Metric (°C)  |  Imperial (°F)

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