Weather forecast for tomorrowEwa Beach, HI
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 86°F
- 73°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 17mphENE 63°
- Humidity: 61%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:05 pm HST
- details ▼
Tomorrow, on Sunday, mostly sunny and dry conditions will continue.
The temperature will vary between a maximum of a humid 86°F and a minimum of a warm 73.4°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a blazing 91.4°F. Note that heat index values are valued for light wind and location in the shade.
Tomorrow's forecasted high will be moderately higher than the typical October high of 81.1°F.
Sunrise will be at 6:28 am and sunset at 6:05 pm; tomorrow's daylight will last for 11h and 36min.
The temperature will vary between a maximum of a humid 86°F and a minimum of a warm 73.4°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a blazing 91.4°F. Note that heat index values are valued for light wind and location in the shade.
Tomorrow's forecasted high will be moderately higher than the typical October high of 81.1°F.
Sunrise will be at 6:28 am and sunset at 6:05 pm; tomorrow's daylight will last for 11h and 36min.
Hourly overview
Hourly temperatures
Warmest hour: 12 pm 90°C.
Coldest period: 3 am - 6 am 77°C.
Coldest period: 3 am - 6 am 77°C.
Chance of precipitation
Highest chance: 8%.
Hourly weather forecast
- 12 am
- 75°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphENE 65°
- Humidity: 77%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 2 am
- 75°F
- Feels like:77°F
Mostly Clear
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphENE 63°
- Humidity: 77%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 75°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphENE 60°
- Humidity: 80%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 75°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphENE 58°
- Humidity: 81%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:28 am
- 8 am
- 79°F
- Feels like:82°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphENE 59°
- Humidity: 70%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 82°F
- Feels like:86°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 15mphENE 61°
- Humidity: 60%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 12 pm
- 84°F
- Feels like:90°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 17mphENE 67°
- Humidity: 54%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 10
- details ▼
- 2 pm
- 86°F
- Feels like:90°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphENE 64°
- Humidity: 54%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 4 pm
- 84°F
- Feels like:88°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 17mphENE 64°
- Humidity: 59%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:82°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 15mphENE 63°
- Humidity: 66%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:05 pm
- 8 pm
- 77°F
- Feels like:81°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphENE 63°
- Humidity: 71%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 77°F
- Feels like:81°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphENE 63°
- Humidity: 71%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of mostly clear and cloudy weather is expected.
The temperature will vary between the lowest temperature of 75.2°F and the highest temperature of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
Tomorrow, the maximum will be relatively higher than the average high for October. Tomorrow, the lowest temperature will be also alike with October's usual minimum.
The temperature will vary between the lowest temperature of 75.2°F and the highest temperature of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
Tomorrow, the maximum will be relatively higher than the average high for October. Tomorrow, the lowest temperature will be also alike with October's usual minimum.
Updated: Oct 17, 2026 @ 18:38:57 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, mostly sunny weather is likely, with high visibility.
Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 73.4°F. The maximum heat index, which combines air temperature and relative humidity, is estimated at 91.4°F.
The highest temperature tomorrow will be a couple of degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature tomorrow will be a couple of degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Ewa Beach, sunrise will be at 6:28 am and sunset at 6:05 pm (HST).
In Ewa Beach, tomorrow, there will be 11h and 36min of daylight.
