Weather forecast for 10 daysKailua, HI

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 82°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 16mphNE 52°
  • Humidity: 64%
  • UV index: 10
  • Sunrise: 6:27 am HST
  • Sunset: 6:04 pm HST
  • ▼
Today, on Saturday, October 17, mainly sunny conditions will dominate the day.
A slight fluctuation in temperature is anticipated, achieving a maximum of a warm 82.4°F and dipping to a minimum of a moderately hot 75.2°F.
The maximum heat index, which combines relative humidity and air temperature, is calculated to be a humid 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today's top temperature is set to align with the common October high of 80.4°F.
Sunrise will be at 6:27 am and sunset at 6:04 pm; the daylight will last for 11h and 37min.

Sunday Oct 18, 2026

  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0.04"
  • Wind: 19mphENE 62°
  • Humidity: 67%
  • UV index: 10
  • Sunrise: 6:27 am HST
  • Sunset: 6:04 pm HST
  • ▼
Tomorrow, in Kailua, expect partly sunny skies with periods of cloudiness.
Minimal precipitation is predicted. The temperature is anticipated to vary slightly from a high of a warm 82.4°F to a low of 75.2°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be a tropical 86°F. Note that heat index values are valued for light wind and location in the shade.
The highest temperature tomorrow will align with the usual October peak of 80.4°F.
Sunrise will be at 6:27 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 36min.

10-day overview

Daily temperatures

Warmest period: today - Saturday 82°C.
Coldest period: Sunday - Monday 81°C.

Chance of precipitation

Highest chance: Sunday 25.10. 36%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 82°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 16mphNE 52°
  • Humidity: 64%
  • UV index: 10
  • Sunrise: 6:27 am HST
  • Sunset: 6:04 pm HST
  • ▼
  • Sunday
  • Oct 18, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0.04"
  • Wind: 19mphENE 62°
  • Humidity: 67%
  • UV index: 10
  • Sunrise: 6:27 am HST
  • Sunset: 6:04 pm HST
  • ▼
  • Monday
  • Oct 19, 2026
  • 82°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 19mphENE 66°
  • Humidity: 67%
  • UV index: 10
  • Sunrise: 6:28 am HST
  • Sunset: 6:03 pm HST
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 82°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 19mphENE 67°
  • Humidity: 68%
  • UV index: 10
  • Sunrise: 6:28 am HST
  • Sunset: 6:02 pm HST
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 82°F
  • 75°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 16mphENE 66°
  • Humidity: 66%
  • UV index: 10
  • Sunrise: 6:29 am HST
  • Sunset: 6:01 pm HST
  • ▼
  • Thursday
  • Oct 22, 2026
  • 82°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 12mphENE 67°
  • Humidity: 67%
  • UV index: 9
  • Sunrise: 6:29 am HST
  • Sunset: 6:01 pm HST
  • ▼
  • Friday
  • Oct 23, 2026
  • 82°F
  • 75°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 11mphENE 61°
  • Humidity: 70%
  • UV index: 7
  • Sunrise: 6:30 am HST
  • Sunset: 6:00 pm HST
  • ▼
  • Saturday
  • Oct 24, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 13mphENE 63°
  • Humidity: 72%
  • UV index: 7
  • Sunrise: 6:30 am HST
  • Sunset: 5:59 pm HST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 75°F
Showers
Showers
  • Precip. probability: 36%
  • Precipitation: 0"
  • Wind: 15mphENE 66°
  • Humidity: 73%
  • UV index: 7
  • Sunrise: 6:30 am HST
  • Sunset: 5:59 pm HST
  • ▼
  • Monday
  • Oct 26, 2026
  • 81°F
  • 75°F
AM Showers
AM Showers
  • Precip. probability: 32%
  • Precipitation: 0.08"
  • Wind: 16mphENE 72°
  • Humidity: 72%
  • UV index: 8
  • Sunrise: 6:31 am HST
  • Sunset: 5:58 pm HST
  • ▼
Models point to a combination of bright, cloudy and rain-soaked weather is anticipated.
Rainfall is anticipated on Sunday and next Monday.
The temperature shift across days will be subtle across the forecast window. Expected highs will hover between 80.6°F and 82.4°F, while the minimum will be stable, remaining at 75.2°F.
Almost every day over the next ten days will record a maximum temperature of 82.4°F; with a maximum temperature of 80.6°F, next Sunday and Monday will be the coldest days in Kailua.
Updated: Oct 17, 2026 @ 12:54:31 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Kailua, golden sunshine will carry through the day.

Today, the highest temperature will be 82.4°F, while the lowest temperature will be 75.2°F. The maximum heat index, which integrates air moisture with ambient temperature, is appraised at 86°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 77°F.

On Saturday, in Kailua, sunrise will be at 6:27 am and sunset at 6:04 pm (HST).

Today, the daylight will last for 11h and 37min.

On Sunday, a partly cloudy sky is anticipated.

Tomorrow, there is a low probability of minimal rainfall in Kailua.

Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 75.2°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 86°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 77°F.

On Sunday, in Kailua, sunrise will be at 6:27 am and sunset at 6:04 pm (HST).

Tomorrow in Kailua, Hawaii, the daylight will last for 11h and 36min.