Weather forecast for tomorrowHeeia, HI
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 82°F
- 75°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 17mphENE 63°
- Humidity: 67%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:04 pm HST
- details ▼
On Sunday, in Heeia, variable cloud cover will persist, but sunshine will break through.
The temperature will peak at a temperate 82.4°F during the day, slightly dropping to a low of a warm 75.2°F at night.
The maximum heat index, which combines air temperature and relative humidity, is assessed at a blazing 86°F. Note that heat index values are valued for light wind and location in the shade.
The temperature will be in line with October's average maximum of 80.8°F.
Sunrise will be at 6:28 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 36min.
The temperature will peak at a temperate 82.4°F during the day, slightly dropping to a low of a warm 75.2°F at night.
The maximum heat index, which combines air temperature and relative humidity, is assessed at a blazing 86°F. Note that heat index values are valued for light wind and location in the shade.
The temperature will be in line with October's average maximum of 80.8°F.
Sunrise will be at 6:28 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 36min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 86°C.
Coldest period: 12 am - 6 am 81°C.
Coldest period: 12 am - 6 am 81°C.
Chance of precipitation
Highest chance: 12 am 37%.
Hourly weather forecast
- 12 am
- 77°F
- Feels like:81°F
Showers
- Precip. probability: 37%
- Precipitation: 0.04"
- Wind: 12mphENE 70°
- Humidity: 78%
- Pressure: 30.03"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 2 am
- 77°F
- Feels like:81°F
Few Showers
- Precip. probability: 31%
- Precipitation: 0.04"
- Wind: 11mphENE 69°
- Humidity: 79%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 4 am
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 12mphENE 68°
- Humidity: 79%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 6 am
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 12mphENE 66°
- Humidity: 79%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:28 am
- 8 am
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 13mphENE 64°
- Humidity: 73%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 81°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 14mphENE 62°
- Humidity: 67%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 12 pm
- 82°F
- Feels like:86°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphENE 64°
- Humidity: 64%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 10
- details ▼
- 2 pm
- 82°F
- Feels like:86°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphENE 64°
- Humidity: 61%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 4 pm
- 81°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 17mphENE 64°
- Humidity: 65%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 16mphENE 66°
- Humidity: 70%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:04 pm
- 8 pm
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 14mphENE 67°
- Humidity: 73%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 77°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 15mphENE 67°
- Humidity: 73%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of primarily dull and occasionally rain-soaked and bright weather is forecasted.
With minimal precipitation of 0.04", rain is expected from 12 am to 2 am.
The temperature variation throughout the day will be unnoticeable, with a minimum of 77°F and a maximum of 82.4°F. The warmest part of the day will be from noon to 3 pm.
The maximum temperature will be consistent with October's average highest temperature of 80.8°F. Tomorrow, the temperature will drop to a level also consistent with October's average minimum of 76.1°F.
With minimal precipitation of 0.04", rain is expected from 12 am to 2 am.
The temperature variation throughout the day will be unnoticeable, with a minimum of 77°F and a maximum of 82.4°F. The warmest part of the day will be from noon to 3 pm.
The maximum temperature will be consistent with October's average highest temperature of 80.8°F. Tomorrow, the temperature will drop to a level also consistent with October's average minimum of 76.1°F.
Updated: Oct 18, 2026 @ 00:28:28 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, in Heeia, expect partly sunny skies with periods of cloudiness.
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 75.2°F. The maximum heat index, which combines relative humidity and air temperature, is estimated at 86°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
On Sunday, in Heeia, sunrise will be at 6:28 am and sunset at 6:04 pm (HST).
In Heeia, tomorrow, there will be 11h and 36min of daylight.
