Weather forecast for tomorrowEwa, HI

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 86°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 16mphENE 64°
  • Humidity: 61%
  • UV index: 10
  • Sunrise: 6:29 am HST
  • Sunset: 6:05 pm HST
  • ▼
On Sunday, October 18, a pleasant, mostly sunny outlook is in place.
The maximum forecasted temperature is a blazing 86°F, while the minimum temperature will be a temperate 73.4°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at a humid 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The predicted top temperature is expected to be a few degrees higher than the usual October maximum 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: 12 am 16%.

Hourly weather forecast

  • 12 am
  • 75°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 9mphENE 63°
  • Humidity: 79%
  • Pressure: 30.03"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 75°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 9mphENE 59°
  • Humidity: 79%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 73°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphNE 55°
  • Humidity: 81%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 75°F
  • Feels like:
    77°F
Mostly Clear
Mostly Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphENE 59°
  • Humidity: 81%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:29 am
  • 8 am
  • 79°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphENE 58°
  • Humidity: 71%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 82°F
  • Feels like:
    86°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphENE 61°
  • Humidity: 60%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 12 pm
  • 84°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 16mphENE 68°
  • Humidity: 54%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 10
  • ▼
  • 2 pm
  • 86°F
  • Feels like:
    88°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphENE 67°
  • Humidity: 52%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 4 pm
  • 84°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 16mphENE 67°
  • Humidity: 57%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 14mphENE 65°
  • Humidity: 65%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 8 pm
  • 77°F
  • Feels like:
    81°F
Mostly Clear
Mostly Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphENE 64°
  • Humidity: 71%
  • 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 62°
  • Humidity: 72%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of mostly clear and overcast weather is expected.
The temperature will be between a minimum of 73.4°F and a maximum of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
The maximum temperature will be slightly warmer than October's average high of 81.1°F. The expected low will be also close to the average minimum in October, which is 76.1°F.
Updated: Oct 17, 2026 @ 23:12:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Ewa, mostly sunny skies are expected.

Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 73.4°F. The maximum heat index, which combines air temperature and relative humidity, is computed to be 91.4°F.
The highest temperature tomorrow will be slightly warmer than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.

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

In Ewa, tomorrow, there will be 11h and 36min of daylight.