Weather forecast for 10 daysHanalei, HI

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 82°F
  • 73°F
PM Showers
PM Showers
  • Precip. probability: 47%
  • Precipitation: 0.43"
  • Wind: 15mphENE 71°
  • Humidity: 73%
  • UV index: 10
  • Sunrise: 6:35 am HST
  • Sunset: 6:11 pm HST
  • ▼
Today, in Hanalei, a chance of afternoon showers exists, so it may be a good idea to keep an umbrella handy.
With a low probability, moderate precipitation is forecasted. Minor variations in temperature are predicted, peaking at a temperate 82.4°F and slightly dropping to a low of a moderately hot 73.4°F.
The maximum heat index, which measures the combined effect of heat and moisture, is appraised at a humid 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today, the expected maximum temperature should be consistent with October's typical high of 79.5°F.
Sunrise was at 6:35 am and sunset will be at 6:11 pm; the daylight will last for 11h and 36min.

Sunday Oct 18, 2026

  • 84°F
  • 73°F
AM Showers
AM Showers
  • Precip. probability: 43%
  • Precipitation: 0.16"
  • Wind: 16mphE 81°
  • Humidity: 71%
  • UV index: 9
  • Sunrise: 6:35 am HST
  • Sunset: 6:10 pm HST
  • ▼
Tomorrow, on Sunday, a few scattered rain showers could develop in the morning.
With a low probability, light precipitation is forecasted. The temperature will fluctuate from a high of a moderately hot 84.2°F to a low of a temperate 73.4°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at a hot 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow, the maximum temperature is anticipated to be a couple of degrees higher than October's climate norm of 79.5°F.
Sunrise will be at 6:35 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 35min.

10-day overview

Daily temperatures

Warmest day: tomorrow 84°C.
Coldest period: Sunday - Monday 81°C.

Chance of precipitation

Highest chance: Monday 48%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 82°F
  • 73°F
PM Showers
PM Showers
  • Precip. probability: 47%
  • Precipitation: 0.43"
  • Wind: 15mphENE 71°
  • Humidity: 73%
  • UV index: 10
  • Sunrise: 6:35 am HST
  • Sunset: 6:11 pm HST
  • ▼
  • Sunday
  • Oct 18, 2026
  • 84°F
  • 73°F
AM Showers
AM Showers
  • Precip. probability: 43%
  • Precipitation: 0.16"
  • Wind: 16mphE 81°
  • Humidity: 71%
  • UV index: 9
  • Sunrise: 6:35 am HST
  • Sunset: 6:10 pm HST
  • ▼
  • Monday
  • Oct 19, 2026
  • 82°F
  • 73°F
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 0.31"
  • Wind: 16mphE 84°
  • Humidity: 73%
  • UV index: 8
  • Sunrise: 6:36 am HST
  • Sunset: 6:09 pm HST
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 82°F
  • 73°F
AM Showers
AM Showers
  • Precip. probability: 43%
  • Precipitation: 0.08"
  • Wind: 16mphE 82°
  • Humidity: 72%
  • UV index: 9
  • Sunrise: 6:36 am HST
  • Sunset: 6:08 pm HST
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 82°F
  • 72°F
AM Showers
AM Showers
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 13mphE 82°
  • Humidity: 71%
  • UV index: 9
  • Sunrise: 6:36 am HST
  • Sunset: 6:08 pm HST
  • ▼
  • Thursday
  • Oct 22, 2026
  • 82°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 11mphE 81°
  • Humidity: 70%
  • UV index: 9
  • Sunrise: 6:37 am HST
  • Sunset: 6:07 pm HST
  • ▼
  • Friday
  • Oct 23, 2026
  • 82°F
  • 73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 10mphENE 73°
  • Humidity: 72%
  • UV index: 7
  • Sunrise: 6:37 am HST
  • Sunset: 6:06 pm HST
  • ▼
  • Saturday
  • Oct 24, 2026
  • 82°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 12mphENE 72°
  • Humidity: 73%
  • UV index: 8
  • Sunrise: 6:38 am HST
  • Sunset: 6:05 pm HST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphE 79°
  • Humidity: 73%
  • UV index: 7
  • Sunrise: 6:38 am HST
  • Sunset: 6:05 pm HST
  • ▼
  • Monday
  • Oct 26, 2026
  • 81°F
  • 73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 15mphE 89°
  • Humidity: 72%
  • UV index: 7
  • Sunrise: 6:39 am HST
  • Sunset: 6:04 pm HST
  • ▼
Looking ahead, conditions suggest a period of rainy, cloudy and sun-filled weather is expected.
Rainfall is expected on Saturday through Wednesday.
Fluctuations in temperature will be barely perceptible during the next few days. Maximum temperatures will fall between 80.6°F and 84.2°F, while changes in the overnight low will be also barely noticeable, as the minimum temperature is expected to range between 71.6°F and 73.4°F.
Expect the hottest day on Sunday, with temperatures peaking at 84.2°F; the coldest days will be next Sunday and Monday, with a maximum of 80.6°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase and vary between 84.2°F and a humid 91.4°F.
Updated: Oct 17, 2026 @ 17:00:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Hanalei, expect afternoon showers to move through periodically.

Moderate precipitation of 0.43" is expected. The possibility of rainfall is 47%.

Today, the highest temperature will be 82.4°F, while the lowest temperature will be 73.4°F. The maximum heat index, which measures the combined effect of heat and moisture, is computed to be 87.8°F.
Today, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 75.4°F.

On Saturday, in Hanalei, sunrise was at 6:35 am and sunset will be at 6:11 pm (HST).

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

On Sunday, scattered showers may pass through in the morning.

Light precipitation of 0.16" is anticipated. The chance of rainfall is 43%.

Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 73.4°F. The maximum heat index, which modifies the air temperature to account for humidity, is evaluated at 91.4°F.
Tomorrow, the maximum temperature will be a couple of degrees higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 75.4°F.

On Sunday, in Hanalei, sunrise will be at 6:35 am and sunset at 6:10 pm (HST).

In Hanalei, the length of the day tomorrow will be 11h and 35min.