Weather forecast for 10 daysKailua-Kona, HI
Weather forecast for the weekend
Saturday Oct 17, 2026
- 88°F
- 77°F
PM Showers
- Precip. probability: 53%
- Precipitation: 0.04"
- Wind: 11mphSW 236°
- Humidity: 70%
- UV index: 11
- Sunrise: 6:19 am HST
- Sunset: 5:59 pm HST
- details ▼
Today, in Kailua-Kona, afternoon showers are expected.
Minimal precipitation is anticipated. The highest predicted temperature is a blazing 87.8°F, while the lowest temperature will be a moderately hot 77°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at a fiery hot 100.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Today's high is anticipated to coincide with the typical October maximum of 86°F.
Sunrise will be at 6:19 am and sunset at 5:59 pm; the daylight will last for 11h and 40min.
Minimal precipitation is anticipated. The highest predicted temperature is a blazing 87.8°F, while the lowest temperature will be a moderately hot 77°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at a fiery hot 100.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Today's high is anticipated to coincide with the typical October maximum of 86°F.
Sunrise will be at 6:19 am and sunset at 5:59 pm; the daylight will last for 11h and 40min.
Sunday Oct 18, 2026
- 86°F
- 75°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.24"
- Wind: 11mphSW 231°
- Humidity: 69%
- UV index: 10
- Sunrise: 6:19 am HST
- Sunset: 5:58 pm HST
- details ▼
Tomorrow, expect a partly sunny afternoon with variable cloud cover.
The chance of rain is low, and light precipitation is expected. The maximum anticipated temperature is a blazing 86°F, while the minimum temperature will be a temperate 75.2°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at a fiery hot 95°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow's peak is expected to reflect the usual October high temperature of 86°F.
Sunrise will be at 6:19 am and sunset at 5:58 pm; tomorrow's daylight will last for 11h and 39min.
The chance of rain is low, and light precipitation is expected. The maximum anticipated temperature is a blazing 86°F, while the minimum temperature will be a temperate 75.2°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at a fiery hot 95°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow's peak is expected to reflect the usual October high temperature of 86°F.
Sunrise will be at 6:19 am and sunset at 5:58 pm; tomorrow's daylight will last for 11h and 39min.
10-day overview
Daily temperatures
Warmest day: today 88°C.
Minimum temperature: 84°C.
Minimum temperature: 84°C.
Chance of precipitation
Highest chance: today 53%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 88°F
- 77°F
PM Showers
- Precip. probability: 53%
- Precipitation: 0.04"
- Wind: 11mphSW 236°
- Humidity: 70%
- UV index: 11
- Sunrise: 6:19 am HST
- Sunset: 5:59 pm HST
- details ▼
- Sunday
- Oct 18, 2026
- 86°F
- 75°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.24"
- Wind: 11mphSW 231°
- Humidity: 69%
- UV index: 10
- Sunrise: 6:19 am HST
- Sunset: 5:58 pm HST
- details ▼
- Monday
- Oct 19, 2026
- 86°F
- 75°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphSW 232°
- Humidity: 67%
- UV index: 10
- Sunrise: 6:19 am HST
- Sunset: 5:57 pm HST
- details ▼
- Tuesday
- Oct 20, 2026
- 86°F
- 75°F
Mostly Sunny
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 10mphSW 236°
- Humidity: 68%
- UV index: 10
- Sunrise: 6:20 am HST
- Sunset: 5:57 pm HST
- details ▼
- Wednesday
- Oct 21, 2026
- 84°F
- 75°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 11mphSW 232°
- Humidity: 68%
- UV index: 10
- Sunrise: 6:20 am HST
- Sunset: 5:56 pm HST
- details ▼
- Thursday
- Oct 22, 2026
- 84°F
- 75°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphSW 236°
- Humidity: 67%
- UV index: 10
- Sunrise: 6:21 am HST
- Sunset: 5:55 pm HST
- details ▼
- Friday
- Oct 23, 2026
- 86°F
- 77°F
Mostly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphWSW 245°
- Humidity: 64%
- UV index: 9
- Sunrise: 6:21 am HST
- Sunset: 5:55 pm HST
- details ▼
- Saturday
- Oct 24, 2026
- 86°F
- 77°F
Mostly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 10mphWSW 246°
- Humidity: 64%
- UV index: 6
- Sunrise: 6:21 am HST
- Sunset: 5:54 pm HST
- details ▼
- Sunday
- Oct 25, 2026
- 86°F
- 77°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 10mphWSW 244°
- Humidity: 65%
- UV index: 8
- Sunrise: 6:22 am HST
- Sunset: 5:53 pm HST
- details ▼
- Monday
- Oct 26, 2026
- 84°F
- 77°F
PM Showers
- Precip. probability: 37%
- Precipitation: 0"
- Wind: 10mphSW 236°
- Humidity: 69%
- UV index: 8
- Sunrise: 6:22 am HST
- Sunset: 5:53 pm HST
- details ▼
For the next ten days, a combination of dull, showery and clear weather is anticipated.
Rain is predicted for Saturday and Sunday.
The maximum temperature will be almost identical during the next few days. The maximum temperature will vary between 84.2°F and 87.8°F, while changes in the overnight low will be also barely noticeable, as the minimum temperature will fluctuate between 75.2°F and 77°F.
With a high of 87.8°F, today is the hottest day; Wednesday, Thursday and next Monday, with the highest temperature of 84.2°F, will be the coldest days in Kailua-Kona.
Combining with the humidity, the maximum feel-like temperature may increase considerably and vary between a blazing 89.6°F and a sweltering 100.4°F.
Rain is predicted for Saturday and Sunday.
The maximum temperature will be almost identical during the next few days. The maximum temperature will vary between 84.2°F and 87.8°F, while changes in the overnight low will be also barely noticeable, as the minimum temperature will fluctuate between 75.2°F and 77°F.
With a high of 87.8°F, today is the hottest day; Wednesday, Thursday and next Monday, with the highest temperature of 84.2°F, will be the coldest days in Kailua-Kona.
Combining with the humidity, the maximum feel-like temperature may increase considerably and vary between a blazing 89.6°F and a sweltering 100.4°F.
Updated: Oct 17, 2026 @ 12:56:42 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
Today, a few afternoon showers could develop as the day warms up.
There is a high probability of rainfall. Precipitation will be minimal.
Today, the maximum temperature will be 87.8°F, while the minimum temperature will be 77°F. The maximum heat index, which adjusts the air temperature based on humidity, is computed to be 100.4°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.
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 Saturday, in Kailua-Kona, sunrise will be at 6:19 am and sunset at 5:59 pm (HST).
Today, the daylight will last for 11h and 40min.
On Sunday, in Kailua-Kona, some passing clouds may drift through, but the sun will shine at times.
With a probability of 24%, light precipitation of 0.24" is forecasted in Kailua-Kona.
Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 75.2°F. The maximum heat index, which combines air temperature and relative humidity, is evaluated at 95°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.
On Sunday, in Kailua-Kona, sunrise will be at 6:19 am and sunset at 5:58 pm (HST).
Tomorrow, the daylight will last for 11h and 39min.





