Kailua, Oahu weather live forecast

Today's maximum temperature in Kailua, Oahu is expected to be 27°C. Select a day from the live weather forecast for Kailua, Oahu, Hawaii, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 15th August 2025 GMT

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

Kailua, Oahu weather forecast by day

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

Kailua, Oahu weather for Friday 15th August 2025

Expect isolated thunderstorms in Kailua, Oahu, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a gentle breeze of 18 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 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 18 kph from the East18
    kph wind from E

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Kailua, Oahu weather for Saturday 16th August 2025

Expect scattered clouds in Kailua, Oahu, Hawaii with a maximum temperature of 27°C, low 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 22 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 24°C minimum temperature24
    °C 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
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 22 kph from the East22
    kph wind from E

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Kailua, Oahu weather for Sunday 17th August 2025

Expect isolated thunderstorms in Kailua, Oahu, Hawaii with a maximum temperature of 27°C, low 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 28% chance of some rain and a moderate breeze of 21 kph from the north-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 24°C minimum temperature24
    °C 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)
  • 28% chance of some rain28
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 21 kph from the North-East21
    kph wind from NE

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Kailua, Oahu weather for Monday 18th August 2025

Expect isolated thunderstorms in Kailua, Oahu, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 18 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 55% chance of some rain55
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 18 kph from the East18
    kph wind from E

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Kailua, Oahu weather for Tuesday 19th August 2025

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Broken clouds
    broken 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
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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

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