Weather forecast for tomorrowKailua, HI
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 82°F
- 75°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 19mphENE 62°
- Humidity: 67%
- UV index: 10
- Sunrise: 6:27 am HST
- Sunset: 6:04 pm HST
- details ▼
On Sunday, in Kailua, a pleasant mix of sun and clouds will define the day.
Minor variations in temperature are forecasted, peaking at a warm 82.4°F and slightly dropping to a low of a temperate 75.2°F.
The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at a tropical 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The maximum temperature tomorrow is forecasted to reflect October's average high 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.
Minor variations in temperature are forecasted, peaking at a warm 82.4°F and slightly dropping to a low of a temperate 75.2°F.
The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at a tropical 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The maximum temperature tomorrow is forecasted to reflect October's average high 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.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 86°C.
Coldest period: 3 am - 6 am 81°C.
Coldest period: 3 am - 6 am 81°C.
Chance of precipitation
Highest chance: 6 pm 20%.
Hourly weather forecast
- 12 am
- 77°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 15mphENE 73°
- Humidity: 74%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphENE 71°
- Humidity: 76%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphENE 69°
- Humidity: 76%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 14mphENE 68°
- Humidity: 77%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:27 am
- 8 am
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 16mphENE 64°
- Humidity: 72%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 81°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 17mphENE 60°
- Humidity: 66%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 12 pm
- 82°F
- Feels like:86°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 18mphENE 60°
- Humidity: 65%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 10
- details ▼
- 2 pm
- 82°F
- Feels like:86°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 19mphENE 61°
- Humidity: 63%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 4 pm
- 81°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 19mphENE 63°
- Humidity: 65%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 18mphENE 65°
- Humidity: 70%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:04 pm
- 8 pm
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 17mphENE 68°
- Humidity: 72%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 17mphENE 70°
- Humidity: 72%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloud-filled, mostly clear and rain-filled weather is forecasted.
With a 31% probability, minimal rainfall is forecasted at 1 am.
The temperature variation throughout the day will be indistinguishable, with the lowest temperature of 77°F and the highest temperature of 82.4°F. The warmest part of the day will be from 11 am to 3 pm.
The highest temperature tomorrow will be alike with October's typical maximum. The lowest temperature tomorrow will be also comparable to October's average minimum.
With a 31% probability, minimal rainfall is forecasted at 1 am.
The temperature variation throughout the day will be indistinguishable, with the lowest temperature of 77°F and the highest temperature of 82.4°F. The warmest part of the day will be from 11 am to 3 pm.
The highest temperature tomorrow will be alike with October's typical maximum. The lowest temperature tomorrow will be also comparable to October's average minimum.
Updated: Oct 17, 2026 @ 14:54:10 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Kailua, expect partly sunny skies with periods of cloudiness.
Tomorrow, the maximum temperature will be 82.4°F, while the minimum temperature will be 75.2°F. The maximum heat index, which combines air temperature and relative humidity, is assessed at 86°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
On Sunday, in Kailua, sunrise will be at 6:27 am and sunset at 6:04 pm (HST).
In Kailua, tomorrow, there will be 11h and 36min of daylight.
