Weather forecast for 10 daysHaiku, HI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 82°F
- 72°F
Partly Cloudy / Wind
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 25mphENE 62°
- Humidity: 64%
- UV index: 10
- Sunrise: 6:21 am HST
- Sunset: 5:58 pm HST
- details ▼
Tomorrow, moderate winds will accompany partly cloudy skies.
Predicted temperature values will span from a temperate 82.4°F down to an agreeable 71.6°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is appraised at a humid 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The temperature is forecasted to be a few degrees higher than the standard October peak of 77.9°F.
Sunrise will be at 6:21 am and sunset at 5:58 pm; tomorrow's daylight will last for 11h and 37min.
Predicted temperature values will span from a temperate 82.4°F down to an agreeable 71.6°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is appraised at a humid 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The temperature is forecasted to be a few degrees higher than the standard October peak of 77.9°F.
Sunrise will be at 6:21 am and sunset at 5:58 pm; tomorrow's daylight will last for 11h and 37min.
10-day overview
Daily temperatures
Warmest day: Friday 84°C.
Minimum temperature: 82°C.
Minimum temperature: 82°C.
Chance of precipitation
Highest chance: Saturday 24.10. 34%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 72°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 18mphENE 69°
- Humidity: 80%
- UV index: 0
- Sunrise: 6:21 am HST
- Sunset: 5:59 pm HST
- details ▼
- Sunday
- Oct 18, 2026
- 82°F
- 72°F
Partly Cloudy / Wind
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 25mphENE 62°
- Humidity: 64%
- UV index: 10
- Sunrise: 6:21 am HST
- Sunset: 5:58 pm HST
- details ▼
- Monday
- Oct 19, 2026
- 82°F
- 72°F
Partly Cloudy / Wind
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 25mphENE 63°
- Humidity: 65%
- UV index: 10
- Sunrise: 6:22 am HST
- Sunset: 5:58 pm HST
- details ▼
- Tuesday
- Oct 20, 2026
- 82°F
- 70°F
Sunny / Wind
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 25mphENE 62°
- Humidity: 62%
- UV index: 10
- Sunrise: 6:22 am HST
- Sunset: 5:57 pm HST
- details ▼
- Wednesday
- Oct 21, 2026
- 82°F
- 70°F
Mostly Sunny / Wind
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 22mphENE 61°
- Humidity: 62%
- UV index: 10
- Sunrise: 6:23 am HST
- Sunset: 5:56 pm HST
- details ▼
- Thursday
- Oct 22, 2026
- 82°F
- 70°F
Mostly Sunny
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 17mphNE 54°
- Humidity: 64%
- UV index: 10
- Sunrise: 6:23 am HST
- Sunset: 5:55 pm HST
- details ▼
- Friday
- Oct 23, 2026
- 84°F
- 72°F
Mostly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 16mphNE 47°
- Humidity: 66%
- UV index: 8
- Sunrise: 6:23 am HST
- Sunset: 5:55 pm HST
- details ▼
- Saturday
- Oct 24, 2026
- 82°F
- 72°F
PM Showers
- Precip. probability: 34%
- Precipitation: 0.12"
- Wind: 17mphNE 44°
- Humidity: 70%
- UV index: 8
- Sunrise: 6:24 am HST
- Sunset: 5:54 pm HST
- details ▼
- Sunday
- Oct 25, 2026
- 82°F
- 72°F
Few Showers
- Precip. probability: 32%
- Precipitation: 0.08"
- Wind: 19mphNE 43°
- Humidity: 69%
- UV index: 9
- Sunrise: 6:24 am HST
- Sunset: 5:53 pm HST
- details ▼
- Monday
- Oct 26, 2026
- 82°F
- 72°F
AM Showers
- Precip. probability: 33%
- Precipitation: 0.04"
- Wind: 19mphNE 52°
- Humidity: 67%
- UV index: 7
- Sunrise: 6:25 am HST
- Sunset: 5:53 pm HST
- details ▼
Models point to a combination of overcast, sunny and rain-soaked weather is expected.
Rain is expected on next Saturday through next Monday.
Highs will stay within a very narrow margin in the forecast period ahead. Maximum temperatures will fall between 82.4°F and 84.2°F, while the lowest nighttime temperatures will be also relatively consistent, as the overnight low will fall between 69.8°F and 71.6°F.
The hottest day will be Friday, with a maximum of 84.2°F; all other days, the highest temperature will be 82.4°F.
Rain is expected on next Saturday through next Monday.
Highs will stay within a very narrow margin in the forecast period ahead. Maximum temperatures will fall between 82.4°F and 84.2°F, while the lowest nighttime temperatures will be also relatively consistent, as the overnight low will fall between 69.8°F and 71.6°F.
The hottest day will be Friday, with a maximum of 84.2°F; all other days, the highest temperature will be 82.4°F.
Updated: Oct 18, 2026 @ 03:30:23 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, wind-swept clouds will drift across the sky, making for a partly cloudy and breezy day.
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 71.6°F. The maximum heat index, which combines air temperature and relative humidity, is assessed at 86°F.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be also moderately lower than the average low of 75.6°F.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be also moderately lower than the average low of 75.6°F.
On Sunday, in Haiku, sunrise will be at 6:21 am and sunset at 5:58 pm (HST).
In Haiku, Hawaii, the length of the day tomorrow will be 11h and 37min.
