Weather forecast for tomorrowKapaa, HI
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 82°F
- 73°F
AM Showers
- Precip. probability: 42%
- Precipitation: 0.24"
- Wind: 17mphENE 66°
- Humidity: 72%
- UV index: 10
- Sunrise: 6:34 am HST
- Sunset: 6:09 pm HST
- details ▼
Tomorrow, on Sunday, October 18, expect passing morning showers bringing damp conditions.
The chance of rainfall is low, and light precipitation is forecasted. The daytime temperature will peak at a moderately hot 82.4°F, slightly differing from the night's low of a temperate 73.4°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is computed to be a humid 87.8°F. Note that heat index values are valued for light wind and location in the shade.
The maximum temperature is predicted to match the regular October high 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.
The chance of rainfall is low, and light precipitation is forecasted. The daytime temperature will peak at a moderately hot 82.4°F, slightly differing from the night's low of a temperate 73.4°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is computed to be a humid 87.8°F. Note that heat index values are valued for light wind and location in the shade.
The maximum temperature is predicted to match the regular October high 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 hour: 6 am 79°C.
Coldest hour: 6 am 79°C.
Chance of precipitation
Highest chance: 12 am 63%.
Hourly weather forecast
- 12 am
- 75°F
- Feels like:81°F
Showers
- Precip. probability: 63%
- Precipitation: 0.04"
- Wind: 14mphENE 75°
- Humidity: 85%
- Pressure: 30.06"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
- 2 am
- 75°F
- Feels like:81°F
Showers
- Precip. probability: 56%
- Precipitation: 0.04"
- Wind: 14mphENE 77°
- Humidity: 84%
- Pressure: 30.03"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
- 4 am
- 75°F
- Feels like:79°F
Showers
- Precip. probability: 53%
- Precipitation: 0.04"
- Wind: 13mphENE 78°
- Humidity: 84%
- Pressure: 30.03"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
- 6 am
- 75°F
- Feels like:79°F
Showers
- Precip. probability: 43%
- Precipitation: 0.04"
- Wind: 14mphENE 75°
- Humidity: 82%
- Pressure: 30.03"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 6:34 am
- 8 am
- 77°F
- Feels like:81°F
Showers
- Precip. probability: 42%
- Precipitation: 0.04"
- Wind: 14mphENE 71°
- Humidity: 79%
- Pressure: 30.06"Hg
- Visibility: 6mi
- UV index: 1
- details ▼
- 10 am
- 81°F
- Feels like:84°F
Few Showers
- Precip. probability: 33%
- Precipitation: 0.04"
- Wind: 16mphENE 64°
- Humidity: 72%
- Pressure: 30.09"Hg
- Visibility: 9mi
- UV index: 5
- details ▼
- 12 pm
- 81°F
- Feels like:86°F
Few Showers
- Precip. probability: 31%
- Precipitation: 0.04"
- Wind: 16mphENE 65°
- Humidity: 68%
- Pressure: 30.06"Hg
- Visibility: 7mi
- UV index: 10
- details ▼
- 2 pm
- 81°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 16mphENE 65°
- Humidity: 68%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 7
- details ▼
- 4 pm
- 81°F
- Feels like:84°F
Few Showers
- Precip. probability: 34%
- Precipitation: 0.04"
- Wind: 16mphENE 65°
- Humidity: 69%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphENE 65°
- Humidity: 74%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunset: 6:09 pm
- 8 pm
- 77°F
- Feels like:81°F
Few Showers
- Precip. probability: 33%
- Precipitation: 0.04"
- Wind: 17mphENE 66°
- Humidity: 77%
- Pressure: 30.06"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 77°F
- Feels like:81°F
Showers
- Precip. probability: 48%
- Precipitation: 0.04"
- Wind: 16mphENE 72°
- Humidity: 79%
- Pressure: 30.09"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Tomorrow, a combination of showery and overcast weather is forecasted.
With minimal precipitation of 0.04", rainfall is predicted from 12 am to 10 am, 12 pm, 4 pm, and from 7 pm to 11 pm.
The temperature variation will be unnoticeable, with the lowest temperature of 75.2°F and the highest temperature of 80.6°F. The warmest part of the day will be from 10 am to 4 pm.
Tomorrow, the forecasted high aligns close to the average peak in October. Tomorrow, the minimum temperature will be also close to the average low for October.
With minimal precipitation of 0.04", rainfall is predicted from 12 am to 10 am, 12 pm, 4 pm, and from 7 pm to 11 pm.
The temperature variation will be unnoticeable, with the lowest temperature of 75.2°F and the highest temperature of 80.6°F. The warmest part of the day will be from 10 am to 4 pm.
Tomorrow, the forecasted high aligns close to the average peak in October. Tomorrow, the minimum temperature will be also close to the average low for October.
Updated: Oct 17, 2026 @ 23:35:52 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, short-lived rain showers are possible in the morning.
Light precipitation of 0.24" is anticipated. The possibility of rainfall is 42%.
Tomorrow, the maximum temperature will be 82.4°F, while the minimum temperature will be 73.4°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at 87.8°F.
The highest temperature tomorrow 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.
The highest temperature tomorrow 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 Kapaa, sunrise will be at 6:34 am and sunset at 6:09 pm (HST).
In Kapaa, tomorrow, there will be 11h and 35min of daylight.





