Weather forecast for tomorrowKeauhou, HI
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 82°F
- 72°F
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
- details ▼
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.
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.
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
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 6mphSSE 157°
- Humidity: 85%
- Pressure: 30"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 2 am
- 77°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 6mphSE 143°
- Humidity: 81%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 4 am
- 77°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 5mphSSE 162°
- Humidity: 82%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 6 am
- 72°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 4mphSE 140°
- Humidity: 83%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
Sunrise: 6:19 am
- 8 am
- 75°F
- Feels like:79°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 4mphS 172°
- Humidity: 75%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 1
- details ▼
- 10 am
- 81°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphWSW 249°
- Humidity: 69%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 12 pm
- 81°F
- Feels like:86°F
Showers
- Precip. probability: 42%
- Precipitation: 0.04"
- Wind: 11mphWSW 250°
- Humidity: 68%
- Pressure: 30"Hg
- Visibility: 7mi
- UV index: 10
- details ▼
- 2 pm
- 81°F
- Feels like:86°F
Showers
- Precip. probability: 38%
- Precipitation: 0.04"
- Wind: 9mphWSW 253°
- Humidity: 68%
- Pressure: 29.94"Hg
- Visibility: 6mi
- UV index: 6
- details ▼
- 4 pm
- 79°F
- Feels like:84°F
Showers
- Precip. probability: 42%
- Precipitation: 0.04"
- Wind: 9mphWSW 250°
- Humidity: 69%
- Pressure: 29.94"Hg
- Visibility: 6mi
- UV index: 2
- details ▼
Sunset: 5:58 pm
- 6 pm
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphSW 228°
- Humidity: 74%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 8 pm
- 75°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 6mphS 178°
- Humidity: 76%
- Pressure: 30"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 pm
- 75°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 5mphS 172°
- Humidity: 78%
- Pressure: 30"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
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.
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
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.
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.





