Kailua, Big Island weather live forecast

Today's maximum temperature in Kailua, Big Island is expected to be 26°C. Select a day from the live weather forecast for Kailua, Big Island, Hawaii, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Wednesday 24th December 2025 GMT

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The 5-day weather forecast for Hawaii (Kailua, Big Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Kailua, Big Island weather forecast by day

Below are the detailed weather forecasts for Kailua, Big Island for the next 5 days.

Kailua, Big Island weather for Wednesday 24th December 2025

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the south-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 16 kph from the South-East16
    kph wind from SE

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Kailua, Big Island weather for Thursday 25th December 2025

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 25°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 17 kph from the south.

  • 25°C maximum temperature25
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 25% chance of some rain25
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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Kailua, Big Island weather for Friday 26th December 2025

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 46% chance of some rain46
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Kailua, Big Island weather for Saturday 27th December 2025

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 17 kph from the south.

  • 27°C maximum temperature27
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 52% chance of some rain52
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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Kailua, Big Island weather for Sunday 28th December 2025

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a gentle breeze of 14 kph from the south-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 54% chance of some rain54
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm 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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Metric (°C / mm)  |  Imperial (°F / inches)

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