Weather forecast for tomorrowKaumakani, HI

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 84°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 17mphENE 64°
  • Humidity: 64%
  • UV index: 10
  • Sunrise: 6:35 am HST
  • Sunset: 6:11 pm HST
  • ▼
Tomorrow, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
The maximum expected temperature is a moderately hot 84.2°F, while the minimum temperature will be a delightful 71.6°F.
The maximum heat index, which measures the combined effect of heat and moisture, is evaluated at a humid 89.6°F. Note that heat index values are valued for light wind and location in the shade.
Tomorrow's top temperature will be moderately higher than October's standard maximum of 79.7°F.
Sunrise will be at 6:35 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 35min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 88°C.
Coldest hour: 3 am 72°C.

Chance of precipitation

Highest chance: 17%.

Hourly weather forecast

  • 12 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 10mphENE 71°
  • Humidity: 75%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 2 am
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 11mphENE 71°
  • Humidity: 85%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 4 am
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 11mphENE 72°
  • Humidity: 84%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 73°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 12mphENE 68°
  • Humidity: 80%
  • Pressure: 30.03"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 6:35 am
  • 8 am
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 12mphENE 69°
  • Humidity: 73%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 82°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 15mphENE 61°
  • Humidity: 63%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 12 pm
  • 84°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 16mphENE 66°
  • Humidity: 57%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 10
  • ▼
  • 2 pm
  • 84°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 16mphENE 65°
  • Humidity: 58%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 8
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 16mphENE 61°
  • Humidity: 63%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 79°F
  • Feels like:
    84°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 14mphENE 60°
  • Humidity: 69%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:11 pm
  • 8 pm
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 12mphENE 64°
  • Humidity: 74%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 75°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphENE 66°
  • Humidity: 75%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily cloud-filled and occasionally dry and sunny weather is forecasted.
The temperature will vary between a minimum of 71.6°F and a maximum of 84.2°F. The hottest part of the day will be from noon to 2 pm.
Tomorrow, the forecasted high will be slightly warmer than October's typical peak temperature. Forecasts indicate a night temperature also a couple of degrees lower than the usual October minimum of 76.1°F.
Updated: Oct 18, 2026 @ 07:43:21 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Kaumakani, moments of sunshine will break through the patchy clouds.

Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 71.6°F. The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 89.6°F.
The highest temperature will be slightly warmer than the average maximum of 79.7°F in October. The lowest temperature will be also a few degrees lower than the average low of 76.1°F.

On Sunday, in Kaumakani, sunrise will be at 6:35 am and sunset at 6:11 pm (HST).

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