Unawatuna weather live forecast

Today's maximum temperature in Unawatuna is expected to be 86°F. Select a day from the live weather forecast for Unawatuna, Sri Lanka for more weather parameters.

5-day weather forecast updated at 04:03 on Monday 8th September 2025 GMT

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

Unawatuna weather forecast by day

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

Unawatuna weather for Monday 8th September 2025

Expect isolated thunderstorms in Unawatuna, Sri Lanka with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 12 mph from the north-west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 81°F minimum temperature81
    °F 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)
  • 61% chance of some rain61
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 12 mph from the North-West12
    mph wind from NW

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Unawatuna weather for Tuesday 9th September 2025

Expect isolated thunderstorms in Unawatuna, Sri Lanka with a maximum temperature of 84°F, 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 42% chance of some rain and a gentle breeze of 9 mph from the west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 42% chance of some rain42
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the West9
    mph wind from W

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Unawatuna weather for Wednesday 10th September 2025

Expect isolated thunderstorms in Unawatuna, Sri Lanka with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 9 mph from the west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 79°F minimum temperature79
    °F 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)
  • 99% chance of some rain99
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the West9
    mph wind from W

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Unawatuna weather for Thursday 11th September 2025

Expect isolated thunderstorms in Unawatuna, Sri Lanka with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 9 mph from the west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 83% chance of some rain83
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the West9
    mph wind from W

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Unawatuna weather for Friday 12th September 2025

Expect isolated thunderstorms in Unawatuna, Sri Lanka with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 50 mm or more of rainfall expected with 99% chance of some rain and a gentle breeze of 10 mph from the west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 99% chance of some rain99
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 10 mph from the West10
    mph wind from W

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  • FREE child places available for select holidays
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Metric (°C)  |  Imperial (°F)

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