Weather forecast for tomorrowWaialua, HI
Weather forecast for tomorrow
Monday Oct 19, 2026
- 84°F
- 73°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 16mphENE 70°
- Humidity: 69%
- UV index: 10
- Sunrise: 6:30 am HST
- Sunset: 6:04 pm HST
- details ▼
Tomorrow, on Monday, October 19, a pleasant mix of sun and clouds will define the day.
Temperatures will oscillate between a warm 84.2°F at their highest and a temperate 73.4°F at their lowest.
The maximum heat index, which combines air temperature and relative humidity, is estimated at a tropical 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The anticipated high temperature will align with October's average of 81.1°F.
Sunrise will be at 6:30 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 35min.
Temperatures will oscillate between a warm 84.2°F at their highest and a temperate 73.4°F at their lowest.
The maximum heat index, which combines air temperature and relative humidity, is estimated at a tropical 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The anticipated high temperature will align with October's average of 81.1°F.
Sunrise will be at 6:30 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 35min.
Hourly overview
Hourly temperatures
Warmest hour: 12 pm 88°C.
Coldest hour: 6 am 77°C.
Coldest hour: 6 am 77°C.
Chance of precipitation
Highest chance: 19%.
Hourly weather forecast
- 12 am
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 12mphENE 74°
- Humidity: 76%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 11mphENE 73°
- Humidity: 79%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 75°F
- Feels like:79°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 11mphENE 74°
- Humidity: 81%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 6 am
- 75°F
- Feels like:77°F
Mostly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 11mphENE 75°
- Humidity: 83%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunrise: 6:30 am
- 8 am
- 77°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 12mphENE 72°
- Humidity: 76%
- Pressure: 30.06"Hg
- Visibility: 9mi
- UV index: 1
- details ▼
- 10 am
- 81°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 14mphENE 73°
- Humidity: 70%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 12 pm
- 82°F
- Feels like:88°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 14mphENE 70°
- Humidity: 66%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 10
- details ▼
- 2 pm
- 82°F
- Feels like:88°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 15mphENE 67°
- Humidity: 63%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 4 pm
- 81°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 15mphENE 69°
- Humidity: 66%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphENE 69°
- Humidity: 74%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:04 pm
- 8 pm
- 77°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 13mphENE 72°
- Humidity: 77%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 13mphENE 74°
- Humidity: 79%
- Pressure: 30.06"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, a combination of gloomy and sun-filled weather is forecasted.
The temperature will be between a minimum of 75.2°F and a maximum of 82.4°F. The warmest part of the day will be from 11 am to 3 pm.
The maximum temperature will be close to October's average highest temperature of 81.1°F. The night temperature will be also comparable to the standard October low of 75.4°F.
The temperature will be between a minimum of 75.2°F and a maximum of 82.4°F. The warmest part of the day will be from 11 am to 3 pm.
The maximum temperature will be close to October's average highest temperature of 81.1°F. The night temperature will be also comparable to the standard October low of 75.4°F.
Updated: Oct 18, 2026 @ 11:23:27 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 Waialua, sun and clouds will share the sky, creating a partly cloudy day.
Tomorrow, the maximum temperature will be 84.2°F, while the minimum temperature will be 73.4°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is appraised at 91.4°F.
The highest temperature will be in line with the average maximum of 81.1°F in October. The lowest temperature will be also in line with the average low of 75.4°F.
The highest temperature will be in line with the average maximum of 81.1°F in October. The lowest temperature will be also in line with the average low of 75.4°F.
On Monday, in Waialua, sunrise will be at 6:30 am and sunset at 6:04 pm (HST).
In Waialua, the length of the day tomorrow will be 11h and 35min.
