Weather forecast for tomorrowKapaa, HI
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 81°F
- 73°F
AM Showers
- Precip. probability: 39%
- Precipitation: 0.2"
- Wind: 17mphENE 68°
- Humidity: 72%
- UV index: 10
- Sunrise: 6:34 am HST
- Sunset: 6:09 pm HST
- details ▼
Tomorrow, on Sunday, expect passing morning showers bringing damp conditions.
With a low probability, light precipitation is expected. Temperature shifts will be minor, from a high of a moderately hot 80.6°F to a low of a temperate 73.4°F.
The maximum heat index, which combines air temperature and relative humidity, is calculated to be 84.2°F.
The anticipated daytime maximum should align with the typical 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.
With a low probability, light precipitation is expected. Temperature shifts will be minor, from a high of a moderately hot 80.6°F to a low of a temperate 73.4°F.
The maximum heat index, which combines air temperature and relative humidity, is calculated to be 84.2°F.
The anticipated daytime maximum should align with the typical 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 84°C.
Coldest period: 3 am - 6 am 77°C.
Coldest period: 3 am - 6 am 77°C.
Chance of precipitation
Highest chance: 12 am 63%.
Hourly weather forecast
- 12 am
- 75°F
- Feels like:79°F
Showers
- Precip. probability: 63%
- Precipitation: 0.04"
- Wind: 14mphENE 76°
- Humidity: 84%
- Pressure: 30.06"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
- 2 am
- 75°F
- Feels like:79°F
Showers
- Precip. probability: 56%
- Precipitation: 0.04"
- Wind: 14mphENE 78°
- Humidity: 84%
- Pressure: 30.03"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
- 4 am
- 73°F
- Feels like:77°F
Showers
- Precip. probability: 53%
- Precipitation: 0.04"
- Wind: 13mphE 81°
- Humidity: 85%
- Pressure: 30.03"Hg
- Visibility: 3mi
- UV index: 0
- details ▼
- 6 am
- 75°F
- Feels like:77°F
Showers
- Precip. probability: 40%
- Precipitation: 0.04"
- Wind: 14mphENE 77°
- 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: 35%
- Precipitation: 0.04"
- Wind: 14mphENE 73°
- Humidity: 77%
- Pressure: 30.06"Hg
- Visibility: 7mi
- UV index: 1
- details ▼
- 10 am
- 79°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphENE 66°
- Humidity: 72%
- Pressure: 30.09"Hg
- Visibility: 9mi
- UV index: 5
- details ▼
- 12 pm
- 81°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphENE 67°
- Humidity: 69%
- Pressure: 30.06"Hg
- Visibility: 8mi
- UV index: 10
- details ▼
- 2 pm
- 81°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 16mphENE 66°
- Humidity: 68%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 7
- details ▼
- 4 pm
- 81°F
- Feels like:84°F
Few Showers
- Precip. probability: 32%
- Precipitation: 0.04"
- Wind: 16mphENE 66°
- Humidity: 70%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 2
- details ▼
- 6 pm
- 77°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 16mphENE 67°
- Humidity: 74%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunset: 6:09 pm
- 8 pm
- 77°F
- Feels like:81°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphENE 69°
- Humidity: 76%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 75°F
- Feels like:79°F
Showers
- Precip. probability: 43%
- Precipitation: 0.04"
- Wind: 16mphENE 74°
- Humidity: 78%
- Pressure: 30.09"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Tomorrow, a combination of rainy and dull weather is anticipated.
With minimal precipitation of 0.04", rainfall is anticipated from 12 am to 9 am, 4 pm, 7 pm, 10 pm and at 11 pm.
The temperature will vary between a minimum of 73.4°F and a maximum of 80.6°F. The warmest part of the day will be from 11 am to 4 pm.
The highest temperature will be alike with October's average maximum of 79.5°F. The minimum temperature will be also close to October's average low of 75.4°F.
With minimal precipitation of 0.04", rainfall is anticipated from 12 am to 9 am, 4 pm, 7 pm, 10 pm and at 11 pm.
The temperature will vary between a minimum of 73.4°F and a maximum of 80.6°F. The warmest part of the day will be from 11 am to 4 pm.
The highest temperature will be alike with October's average maximum of 79.5°F. The minimum temperature will be also close to October's average low of 75.4°F.
Updated: Oct 17, 2026 @ 22:35:59 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, occasional light showers are possible in the morning hours.
With a probability of 39%, light precipitation of 0.2" is anticipated.
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 73.4°F. The maximum heat index, which combines air temperature and relative humidity, is evaluated at 84.2°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow 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. The lowest temperature tomorrow 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.
