Weather forecast for 10 daysWaimanalo, HI

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 82°F
  • 75°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 21mphENE 62°
  • Humidity: 65%
  • UV index: 10
  • Sunrise: 6:27 am HST
  • Sunset: 6:04 pm HST
  • ▼
Today, wind speeds will increase as scattered clouds move in and out.
Modest temperature shifts from a high of a moderately hot 82.4°F to a low of a warm 75.2°F are predicted.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a hot 86°F. Note that heat index values are valued for light wind and location in the shade.
October's usual high of 80.4°F is anticipated to be matched by the day’s maximum temperature.
Sunrise will be at 6:27 am and sunset at 6:04 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.

Chance of precipitation

Highest chance: Tuesday 27.10. 20%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 82°F
  • 75°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 21mphENE 62°
  • Humidity: 65%
  • UV index: 10
  • Sunrise: 6:27 am HST
  • Sunset: 6:04 pm HST
  • ▼
  • Monday
  • Oct 19, 2026
  • 82°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 19mphENE 66°
  • Humidity: 67%
  • UV index: 10
  • Sunrise: 6:28 am HST
  • Sunset: 6:03 pm HST
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 82°F
  • 75°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 20mphENE 66°
  • Humidity: 63%
  • UV index: 10
  • Sunrise: 6:28 am HST
  • Sunset: 6:02 pm HST
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 82°F
  • 75°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 16mphENE 66°
  • Humidity: 65%
  • UV index: 10
  • Sunrise: 6:29 am HST
  • Sunset: 6:01 pm HST
  • ▼
  • Thursday
  • Oct 22, 2026
  • 82°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 11mphENE 64°
  • Humidity: 65%
  • UV index: 9
  • Sunrise: 6:29 am HST
  • Sunset: 6:01 pm HST
  • ▼
  • Friday
  • Oct 23, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 11mphNE 55°
  • Humidity: 69%
  • UV index: 9
  • Sunrise: 6:29 am HST
  • Sunset: 6:00 pm HST
  • ▼
  • Saturday
  • Oct 24, 2026
  • 82°F
  • 75°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 12mphNE 51°
  • Humidity: 70%
  • UV index: 7
  • Sunrise: 6:30 am HST
  • Sunset: 5:59 pm HST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 82°F
  • 75°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 14mphNE 51°
  • Humidity: 69%
  • UV index: 7
  • Sunrise: 6:30 am HST
  • Sunset: 5:59 pm HST
  • ▼
  • Monday
  • Oct 26, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 14mphENE 62°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 6:31 am HST
  • Sunset: 5:58 pm HST
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 82°F
  • 75°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 14mphENE 73°
  • Humidity: 71%
  • UV index: 7
  • Sunrise: 6:31 am HST
  • Sunset: 5:57 pm HST
  • ▼
Across the following ten days, a combination of dull and bright weather is predicted.
Rain is not expected in Waimanalo in the upcoming days.
In the upcoming period, the maximum temperature will stay unchanged, holding at 82.4°F, while the night’s low will also stay fixed at 75.2°F.
Updated: Oct 18, 2026 @ 10:14:23 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Waimanalo, expect brisk winds and partly cloudy conditions.

Today, the maximum temperature in Waimanalo, Hawaii, will be 82.4°F, while the minimum temperature will be 75.2°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is assessed at 86°F.
Today, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature today will be also in line with the average low temperature.

On Sunday, in Waimanalo, sunrise will be at 6:27 am and sunset at 6:04 pm (HST).

Today, the daylight will last for 11h and 36min.