Weather forecast for tomorrowKeauhou, HI

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 82°F
  • 72°F
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 0.12"
  • Wind: 11mphWSW 238°
  • Humidity: 71%
  • UV index: 10
  • Sunrise: 6:19 am HST
  • Sunset: 5:58 pm HST
  • ▼
Tomorrow, on Sunday, October 18, expect showers at times, with periods of lighter rain during the day.
Minimal precipitation is forecasted. The temperature will fluctuate from a high of a moderately hot 82.4°F to a low of a pleasant 71.6°F.
The maximum heat index, which combines air temperature and relative humidity, is computed to be a tropical 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
October's typical highest temperature of 73.2°F is likely to be significantly higher than the expected maximum.
Sunrise will be at 6:19 am and sunset at 5:58 pm; tomorrow's daylight will last for 11h and 39min.

Hourly overview

Hourly temperatures

Warmest hour: 12 pm 86°C.
Coldest hour: 6 am 73°C.

Chance of precipitation

Highest chance: 12 pm - 3 pm 42%.

Hourly weather forecast

  • 12 am
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 6mphSSE 157°
  • Humidity: 85%
  • Pressure: 30"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 2 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 6mphSE 143°
  • Humidity: 81%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 4 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 5mphSSE 162°
  • Humidity: 82%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 6 am
  • 72°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 4mphSE 140°
  • Humidity: 83%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Sunrise: 6:19 am
  • 8 am
  • 75°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 4mphS 172°
  • Humidity: 75%
  • Pressure: 30"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
  • 10 am
  • 81°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 9mphWSW 249°
  • Humidity: 69%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    86°F
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 0.04"
  • Wind: 11mphWSW 250°
  • Humidity: 68%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 10
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    86°F
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Wind: 9mphWSW 253°
  • Humidity: 68%
  • Pressure: 29.94"Hg
  • Visibility: 6mi
  • UV index: 6
  • ▼
  • 4 pm
  • 79°F
  • Feels like:
    84°F
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 0.04"
  • Wind: 9mphWSW 250°
  • Humidity: 69%
  • Pressure: 29.94"Hg
  • Visibility: 6mi
  • UV index: 2
  • ▼
Sunset: 5:58 pm
  • 6 pm
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphSW 228°
  • Humidity: 74%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 8 pm
  • 75°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 6mphS 178°
  • Humidity: 76%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 75°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 5mphS 172°
  • Humidity: 78%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of overcast and rainy weather is forecasted.
With minimal precipitation of 0.04", rainfall is expected from 11 am to 5 pm.
The temperature will be between a minimum of 71.6°F and a maximum of 80.6°F. The warmest part of the day will be from 10 am to 3 pm.
Tomorrow, the expected temperature will be significantly higher than October's expected maximum of 73.2°F. The lowest temperature tomorrow will be also similar to October's average minimum.
The warmest months in Keauhou are August and October, with an average high-temperature of 73.2°F.
Updated: Oct 18, 2026 @ 08:20:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, light showers are likely, with some brief dry spells throughout the day.

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

Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 71.6°F. The maximum heat index, which combines relative humidity and air temperature, is calculated to be 87.8°F.
The highest temperature will be uncommonly higher than the average maximum of 73.2°F in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Keauhou, sunrise will be at 6:19 am and sunset at 5:58 pm (HST).

In Keauhou, tomorrow, there will be 11h and 39min of daylight.