Weather forecast for tomorrowEwa, HI

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 86°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 17mphENE 62°
  • Humidity: 60%
  • UV index: 10
  • Sunrise: 6:29 am HST
  • Sunset: 6:05 pm HST
  • ▼
On Sunday, in Ewa, mostly clear skies and sunshine will create ideal daytime conditions.
The highest temperature will be a humid 86°F, while the lowest temperature will be a temperate 73.4°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at a hot 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The day’s top temperature is expected to be a few degrees higher than the typical October high of 81.1°F.
Sunrise will be at 6:29 am and sunset at 6:05 pm; tomorrow's daylight will last for 11h and 36min.

Hourly overview

Hourly temperatures

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

Chance of precipitation

Highest chance: 6 am 11%.

Hourly weather forecast

  • 12 am
  • 75°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 9mphENE 65°
  • Humidity: 77%
  • Pressure: 30"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 75°F
  • Feels like:
    77°F
Mostly Clear
Mostly Clear
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 9mphENE 62°
  • Humidity: 78%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 75°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 9mphENE 58°
  • Humidity: 80%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 75°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphNE 56°
  • Humidity: 79%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:29 am
  • 8 am
  • 79°F
  • Feels like:
    82°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphENE 58°
  • Humidity: 70%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 82°F
  • Feels like:
    86°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphENE 61°
  • Humidity: 59%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 12 pm
  • 84°F
  • Feels like:
    88°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 16mphENE 66°
  • Humidity: 54%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 10
  • ▼
  • 2 pm
  • 86°F
  • Feels like:
    90°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphENE 64°
  • Humidity: 54%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 4 pm
  • 84°F
  • Feels like:
    88°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 16mphENE 64°
  • Humidity: 57%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    82°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 14mphENE 64°
  • Humidity: 64%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 8 pm
  • 77°F
  • Feels like:
    81°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphENE 65°
  • Humidity: 70%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 77°F
  • Feels like:
    81°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphENE 63°
  • Humidity: 72%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of sun-filled and cloud-filled weather is forecasted.
The temperature will vary between a minimum of 75.2°F and a maximum of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
Tomorrow, the maximum will be a couple of degrees higher than the average high for October. The night temperature will be also similar to the standard October low of 76.1°F.
Updated: Oct 17, 2026 @ 16:47:28 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sun-filled skies will remain for most of the day.

Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 73.4°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at 91.4°F.
The maximum temperature will be relatively higher than the average highest temperature of 81.1°F in October. The lowest temperature will be in line with the average low of 76.1°F.

On Sunday, in Ewa, sunrise will be at 6:29 am and sunset at 6:05 pm (HST).

Tomorrow, the daylight will last for 11h and 36min.