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 Thursday 4th 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 3rd December 2025

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

  • 26°C maximum temperature26
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    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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Kailua, Big Island weather for Thursday 4th December 2025

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a gentle breeze of 16 kph from the west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 7% chance of some rain7
    % 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 West16
    kph wind from W

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Kailua, Big Island weather for Friday 5th December 2025

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 43% chance of some rain43
    % 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-West16
    kph wind from SW

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Kailua, Big Island weather for Saturday 6th December 2025

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 68% chance of some rain68
    % 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 Sunday 7th December 2025

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 14 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 56% chance of some rain56
    % 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 East14
    kph wind from E

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

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