Kalutara weather live forecast

Today's maximum temperature in Kalutara is expected to be 28°C. Select a day from the live weather forecast for Kalutara, Sri Lanka for more weather parameters.

5-day weather forecast updated at 04:01 on Wednesday 23rd September 2026 GMT

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

Kalutara weather forecast by day

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

Kalutara weather for Thursday 24th September 2026

Expect isolated thunderstorms in Kalutara, Sri Lanka with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 50 mm or more of rainfall expected with 100% chance of some rain and a gentle breeze of 14 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 100% chance of some rain100
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 14 kph from the South-West14
    kph wind from SW

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Kalutara weather for Friday 25th September 2026

Expect isolated thunderstorms in Kalutara, Sri Lanka with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 15 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 98% chance of some rain98
    % 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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Kalutara weather for Saturday 26th September 2026

Expect isolated thunderstorms in Kalutara, Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 13 kph from the west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 85% chance of some rain85
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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Kalutara weather for Sunday 27th September 2026

Expect isolated thunderstorms in Kalutara, Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 13 kph from the west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 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
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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Kalutara weather for Monday 28th September 2026

Expect isolated thunderstorms in Kalutara, Sri Lanka with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a light breeze of 12 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 97% chance of some rain97
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 12 kph from the South-West12
    kph wind from SW

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  • Book summer & winter sun holidays in 2026/2027
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