Weather forecast for 10 daysWaimanalo Beach, HI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 82°F
- 75°F
Partly Cloudy / Wind
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 21mphENE 63°
- Humidity: 66%
- UV index: 10
- Sunrise: 6:27 am HST
- Sunset: 6:03 pm HST
- details ▼
On Sunday, October 18, patchy clouds and steady winds will continue.
A slight fluctuation in temperature is predicted, achieving a maximum of a moderately hot 82.4°F and dipping to a minimum of a warm 75.2°F.
The maximum heat index, which modifies the air temperature to account for humidity, is estimated at a hot 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today's maximum temperature is expected to reflect the standard October high of 80.4°F.
Sunrise will be at 6:27 am and sunset at 6:03 pm; the daylight will last for 11h and 36min.
A slight fluctuation in temperature is predicted, achieving a maximum of a moderately hot 82.4°F and dipping to a minimum of a warm 75.2°F.
The maximum heat index, which modifies the air temperature to account for humidity, is estimated at a hot 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today's maximum temperature is expected to reflect the standard October high of 80.4°F.
Sunrise will be at 6:27 am and sunset at 6:03 pm; the daylight will last for 11h and 36min.
10-day overview
Daily temperatures
Warmest period: today - Tuesday 82°C.
Coldest period: today - Tuesday 82°C.
Coldest period: today - Tuesday 82°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 23%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 82°F
- 75°F
Partly Cloudy / Wind
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 21mphENE 63°
- Humidity: 66%
- UV index: 10
- Sunrise: 6:27 am HST
- Sunset: 6:03 pm HST
- details ▼
- Monday
- Oct 19, 2026
- 82°F
- 75°F
Partly Cloudy / Wind
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 21mphENE 66°
- Humidity: 67%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:03 pm HST
- details ▼
- Tuesday
- Oct 20, 2026
- 82°F
- 75°F
Partly Cloudy / Wind
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 21mphENE 67°
- Humidity: 63%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:02 pm HST
- details ▼
- Wednesday
- Oct 21, 2026
- 82°F
- 75°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 17mphENE 66°
- Humidity: 65%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:01 pm HST
- details ▼
- Thursday
- Oct 22, 2026
- 82°F
- 75°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 12mphENE 64°
- Humidity: 65%
- UV index: 9
- Sunrise: 6:29 am HST
- Sunset: 6:00 pm HST
- details ▼
- Friday
- Oct 23, 2026
- 82°F
- 75°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphNE 53°
- Humidity: 69%
- UV index: 9
- Sunrise: 6:29 am HST
- Sunset: 6:00 pm HST
- details ▼
- Saturday
- Oct 24, 2026
- 82°F
- 75°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 13mphNE 49°
- Humidity: 70%
- UV index: 7
- Sunrise: 6:30 am HST
- Sunset: 5:59 pm HST
- details ▼
- Sunday
- Oct 25, 2026
- 82°F
- 75°F
Mostly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 16mphNE 49°
- Humidity: 69%
- UV index: 7
- Sunrise: 6:30 am HST
- Sunset: 5:58 pm HST
- details ▼
- Monday
- Oct 26, 2026
- 82°F
- 75°F
Mostly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 14mphENE 59°
- Humidity: 69%
- UV index: 8
- Sunrise: 6:31 am HST
- Sunset: 5:58 pm HST
- details ▼
- Tuesday
- Oct 27, 2026
- 82°F
- 75°F
Mostly Cloudy
- Precip. probability: 23%
- Precipitation: 0.16"
- Wind: 13mphENE 78°
- Humidity: 71%
- UV index: 7
- Sunrise: 6:31 am HST
- Sunset: 5:57 pm HST
- details ▼
Ten-day trends indicate that primarily cloudy and occasionally sunny weather is forecasted.
With a probability of 23%, rainfall is expected only on next Tuesday. Anticipated precipitation will be light at 0.16".
In the coming days, the maximum temperature will not fluctuate, remaining steady at 82.4°F, while the night’s low will also stay fixed at 75.2°F.
With a probability of 23%, rainfall is expected only on next Tuesday. Anticipated precipitation will be light at 0.16".
In the coming days, the maximum temperature will not fluctuate, remaining steady at 82.4°F, while the night’s low will also stay fixed at 75.2°F.
Updated: Oct 18, 2026 @ 15:44:07 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, variable cloud cover with steady winds is anticipated.
Today, the highest temperature will be 82.4°F, while the lowest temperature will be 75.2°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be 86°F.
The highest temperature will be in line with the average maximum of 80.4°F in October. The lowest temperature will be also in line with the average low of 77°F.
The highest temperature will be in line with the average maximum of 80.4°F in October. The lowest temperature will be also in line with the average low of 77°F.
On Sunday, in Waimanalo Beach, sunrise will be at 6:27 am and sunset at 6:03 pm (HST).
Today in Waimanalo Beach, the daylight will last for 11h and 36min.
