Weather forecast for tomorrowWaiʻanae, HI

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 86°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 14mphENE 70°
  • Humidity: 64%
  • UV index: 10
  • Sunrise: 6:30 am HST
  • Sunset: 6:05 pm HST
  • ▼
Tomorrow, on Monday, October 19, sunshine will lead the day, with clouds making only brief appearances.
Forecasted temperature values will span from a blazing 86°F down to a moderately hot 73.4°F.
The maximum heat index, which modifies the air temperature to account for humidity, is assessed at a blazing 93.2°F. Note that heat index values are valued for light wind and location in the shade.
Sunrise will be at 6:30 am and sunset at 6:05 pm; tomorrow's daylight will last for 11h and 35min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 88°C.
Coldest hour: 6 am 77°C.

Chance of precipitation

Highest chance: 3 am 8%.

Hourly weather forecast

  • 12 am
  • 77°F
  • Feels like:
    81°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphENE 69°
  • Humidity: 75%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 75°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphENE 65°
  • Humidity: 76%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 75°F
  • Feels like:
    77°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphENE 64°
  • Humidity: 79%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 75°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphENE 63°
  • Humidity: 81%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:30 am
  • 8 am
  • 79°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphENE 66°
  • Humidity: 72%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 82°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphENE 72°
  • Humidity: 65%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 12 pm
  • 84°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphENE 75°
  • Humidity: 60%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 10
  • ▼
  • 2 pm
  • 84°F
  • Feels like:
    88°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphENE 71°
  • Humidity: 57%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    88°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphENE 71°
  • Humidity: 60%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    84°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphENE 65°
  • Humidity: 68%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 8 pm
  • 79°F
  • Feels like:
    82°F
Mostly Clear
Mostly Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphENE 66°
  • Humidity: 74%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphENE 66°
  • Humidity: 76%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of mostly clear, overcast and rain-filled weather is anticipated.
The temperature will vary between the lowest temperature of 75.2°F and the highest temperature of 84.2°F. The hottest part of the day will be from noon to 3 pm.
Updated: Oct 18, 2026 @ 10:27:46 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, expect brilliant sunshine under mostly clear skies.

Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 73.4°F. The maximum heat index, which measures the combined effect of heat and moisture, is estimated at 93.2°F.
The maximum temperature will be notably higher than the average highest temperature of 32°F in October. The lowest temperature will be also uncommonly higher than the average low of 32°F.

On Monday, in Waiʻanae, sunrise will be at 6:30 am and sunset at 6:05 pm (HST).

In Waiʻanae, Hawaii, tomorrow, there will be 11h and 35min of daylight.