Weather forecast for 10 daysWaimalu, HI
Weather forecast for the weekend
Saturday Oct 17, 2026
- 86°F
- 73°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphNE 54°
- Humidity: 58%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:05 pm HST
- details ▼
On Saturday, October 17, a crisp, sunny atmosphere is likely.
The temperature is anticipated to oscillate between a maximum of a humid 86°F and a minimum of a temperate 73.4°F.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a blazing 89.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today, the maximum temperature is predicted to be slightly warmer than the common October peak of 81.1°F.
Sunrise will be at 6:28 am and sunset at 6:05 pm; the daylight will last for 11h and 37min.
The temperature is anticipated to oscillate between a maximum of a humid 86°F and a minimum of a temperate 73.4°F.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a blazing 89.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today, the maximum temperature is predicted to be slightly warmer than the common October peak of 81.1°F.
Sunrise will be at 6:28 am and sunset at 6:05 pm; the daylight will last for 11h and 37min.
Sunday Oct 18, 2026
- 86°F
- 75°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 17mphENE 62°
- Humidity: 62%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:04 pm HST
- details ▼
Tomorrow, bright conditions and mild breezes are also expected.
The maximum temperature will be a tropical 86°F, while the minimum predicted temperature is a moderately hot 75.2°F.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a blazing 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow, the forecasted temperature will be slightly warmer than the standard October high of 81.1°F.
Sunrise will be at 6:28 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 36min.
The maximum temperature will be a tropical 86°F, while the minimum predicted temperature is a moderately hot 75.2°F.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a blazing 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow, the forecasted temperature will be slightly warmer than the standard October high of 81.1°F.
Sunrise will be at 6:28 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 36min.
10-day overview
Daily temperatures
Maximum temperature: 86°C.
Minimum temperature: 84°C.
Minimum temperature: 84°C.
Chance of precipitation
Highest chance: Sunday 25.10. 34%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 86°F
- 73°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphNE 54°
- Humidity: 58%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:05 pm HST
- details ▼
- Sunday
- Oct 18, 2026
- 86°F
- 75°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 17mphENE 62°
- Humidity: 62%
- UV index: 10
- Sunrise: 6:28 am HST
- Sunset: 6:04 pm HST
- details ▼
- Monday
- Oct 19, 2026
- 86°F
- 73°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 17mphENE 66°
- Humidity: 62%
- UV index: 10
- Sunrise: 6:29 am HST
- Sunset: 6:04 pm HST
- details ▼
- Tuesday
- Oct 20, 2026
- 84°F
- 73°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 17mphENE 66°
- Humidity: 62%
- UV index: 10
- Sunrise: 6:29 am HST
- Sunset: 6:03 pm HST
- details ▼
- Wednesday
- Oct 21, 2026
- 84°F
- 73°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 14mphENE 65°
- Humidity: 61%
- UV index: 10
- Sunrise: 6:30 am HST
- Sunset: 6:02 pm HST
- details ▼
- Thursday
- Oct 22, 2026
- 86°F
- 73°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphENE 69°
- Humidity: 62%
- UV index: 9
- Sunrise: 6:30 am HST
- Sunset: 6:01 pm HST
- details ▼
- Friday
- Oct 23, 2026
- 86°F
- 73°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphENE 63°
- Humidity: 65%
- UV index: 7
- Sunrise: 6:30 am HST
- Sunset: 6:01 pm HST
- details ▼
- Saturday
- Oct 24, 2026
- 84°F
- 73°F
Mostly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 12mphENE 67°
- Humidity: 69%
- UV index: 7
- Sunrise: 6:31 am HST
- Sunset: 6:00 pm HST
- details ▼
- Sunday
- Oct 25, 2026
- 84°F
- 73°F
Few Showers
- Precip. probability: 34%
- Precipitation: 0"
- Wind: 13mphENE 69°
- Humidity: 69%
- UV index: 7
- Sunrise: 6:31 am HST
- Sunset: 5:59 pm HST
- details ▼
- Monday
- Oct 26, 2026
- 84°F
- 73°F
AM Showers
- Precip. probability: 31%
- Precipitation: 0.08"
- Wind: 14mphENE 75°
- Humidity: 68%
- UV index: 8
- Sunrise: 6:32 am HST
- Sunset: 5:59 pm HST
- details ▼
During the ten-day period, mostly clear, gloomy and rain-soaked weather is anticipated.
With a probability of 31%, rainfall is expected only on next Monday. Forecasted precipitation will be minimal at 0.08".
Highs will stay within a very narrow margin in the upcoming days. The maximum temperature will vary between 84.2°F and 86°F, while fluctuations in the night’s lowest temperature will be also minimal, as the minimum temperature is expected to range between 73.4°F and 75.2°F.
The hottest days in Waimalu will be Saturday through Monday, Thursday and Friday, with a maximum of 86°F; all other days, the maximum temperature will be the same 84.2°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase and vary between a blazing 87.8°F and a hot 93.2°F.
With a probability of 31%, rainfall is expected only on next Monday. Forecasted precipitation will be minimal at 0.08".
Highs will stay within a very narrow margin in the upcoming days. The maximum temperature will vary between 84.2°F and 86°F, while fluctuations in the night’s lowest temperature will be also minimal, as the minimum temperature is expected to range between 73.4°F and 75.2°F.
The hottest days in Waimalu will be Saturday through Monday, Thursday and Friday, with a maximum of 86°F; all other days, the maximum temperature will be the same 84.2°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase and vary between a blazing 87.8°F and a hot 93.2°F.
Updated: Oct 17, 2026 @ 12:55:17 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 Saturday, in Waimalu, a pleasant, mostly sunny outlook is in place.
Today, the highest temperature will be 86°F, while the lowest temperature will be 73.4°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at 89.6°F.
Today, the highest temperature will be relatively higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
Today, the highest temperature will be relatively higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
On Saturday, in Waimalu, sunrise will be at 6:28 am and sunset at 6:05 pm (HST).
In Waimalu, the length of the day today will be 11h and 37min.
On Sunday, blue skies and warm sunshine will define the conditions.
Tomorrow, the maximum temperature will be 86°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 91.4°F.
The maximum temperature will be moderately higher than the average highest temperature of 81.1°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The maximum temperature will be moderately higher than the average highest temperature of 81.1°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Waimalu, sunrise will be at 6:28 am and sunset at 6:04 pm (HST).
Tomorrow, the daylight will last for 11h and 36min.
