Weather forecast for tomorrowWailua, HI

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 82°F
  • 73°F
AM Showers
AM Showers
  • Precip. probability: 35%
  • Precipitation: 0.24"
  • Wind: 17mphENE 65°
  • Humidity: 73%
  • UV index: 10
  • Sunrise: 6:34 am HST
  • Sunset: 6:09 pm HST
  • ▼
On Sunday, October 18, occasional light showers are also possible in the morning hours.
The likelihood of rainfall for tomorrow is low, and light precipitation is anticipated. The day's temperature scale will range from a moderate high of a temperate 82.4°F to a minimum of a moderately hot 73.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a hot 87.8°F. Note that heat index values are valued for light wind and location in the shade.
The temperature will be in line with October's average maximum of 79.5°F.
Sunrise will be at 6:34 am and sunset at 6:09 pm; tomorrow's daylight will last for 11h and 35min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 86°C.
Coldest period: 12 am - 3 am 75°C.

Chance of precipitation

Highest chance: 6 am 35%.

Hourly weather forecast

  • 12 am
  • 75°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphENE 71°
  • Humidity: 89%
  • Pressure: 30.06"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 2 am
  • 75°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphENE 73°
  • Humidity: 84%
  • Pressure: 30.03"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 4 am
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphENE 73°
  • Humidity: 83%
  • Pressure: 30.03"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 75°F
  • Feels like:
    79°F
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Wind: 14mphENE 73°
  • Humidity: 82%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 6:34 am
  • 8 am
  • 77°F
  • Feels like:
    82°F
Few Showers
Few Showers
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 14mphENE 70°
  • Humidity: 78%
  • Pressure: 30.09"Hg
  • Visibility: 6mi
  • UV index: 1
  • ▼
  • 10 am
  • 81°F
  • Feels like:
    84°F
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Wind: 15mphENE 64°
  • Humidity: 72%
  • Pressure: 30.09"Hg
  • Visibility: 9mi
  • UV index: 5
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphENE 65°
  • Humidity: 68%
  • Pressure: 30.06"Hg
  • Visibility: 7mi
  • UV index: 10
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 16mphENE 64°
  • Humidity: 69%
  • Pressure: 30.03"Hg
  • Visibility: 9mi
  • UV index: 7
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    84°F
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Wind: 16mphENE 64°
  • Humidity: 70%
  • Pressure: 30.03"Hg
  • Visibility: 9mi
  • UV index: 2
  • ▼
  • 6 pm
  • 79°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphENE 65°
  • Humidity: 74%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunset: 6:09 pm
  • 8 pm
  • 77°F
  • Feels like:
    81°F
Few Showers
Few Showers
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 16mphENE 66°
  • Humidity: 77%
  • Pressure: 30.06"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 10 pm
  • 77°F
  • Feels like:
    81°F
Showers
Showers
  • Precip. probability: 36%
  • Precipitation: 0.04"
  • Wind: 16mphENE 70°
  • Humidity: 77%
  • Pressure: 30.09"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Tomorrow, a combination of cloudy and rain-soaked weather is forecasted.
With minimal precipitation of 0.04", rainfall is predicted at 1 am, and from 5 am to 10 am, 4 pm, and from 7 pm to 11 pm.
The temperature variation will be indistinguishable, with a minimum of 75.2°F and a maximum of 80.6°F. The warmest part of the day will be from 10 am to 4 pm.
Tomorrow, the maximum will be similar to October's typical high. The temperature low is forecasted to be also close to the usual October value of 75.4°F.
Updated: Oct 18, 2026 @ 07:22:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Wailua, expect mild drizzle and light rain showers in the early morning.

Light precipitation of 0.24" is forecasted. The possibility of rainfall is 35%.

Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 73.4°F. The maximum heat index, which modifies the air temperature to account for humidity, is calculated to be 87.8°F.
The maximum temperature will be in line with the average highest temperature of 79.5°F in October. The lowest temperature tomorrow will be also in line with the average low temperature.

On Sunday, in Wailua, sunrise will be at 6:34 am and sunset at 6:09 pm (HST).

Tomorrow, the daylight will last for 11h and 35min.