Weather forecast for 10 daysEwa, HI

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 86°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 13mphENE 58°
  • Humidity: 53%
  • UV index: 10
  • Sunrise: 6:28 am HST
  • Sunset: 6:05 pm HST
  • ▼
Today, mainly sunny conditions will dominate the day.
The maximum temperature will be a blazing 86°F, while the minimum predicted temperature is a warm 73.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is assessed at a humid 89.6°F. Note that heat index values are valued for light wind and location in the shade.
The maximum temperature for today will be slightly warmer than the regular high of 81.1°F in October.
Sunrise was at 6:28 am and sunset will be at 6:05 pm; the daylight will last for 11h and 37min.

Sunday Oct 18, 2026

  • 86°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 17mphENE 64°
  • Humidity: 60%
  • UV index: 10
  • Sunrise: 6:29 am HST
  • Sunset: 6:05 pm HST
  • ▼
Tomorrow, on Sunday, open skies and radiant sunshine are expected.
Temperature span will be from a high of a blazing 86°F to a low of a temperate 73.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be a humid 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The day’s highest temperature is expected to be slightly warmer than the standard October average 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.

10-day overview

Daily temperatures

Maximum temperature: 86°C.
Coldest day: Sunday 25.10. 84°C.

Chance of precipitation

Highest chance: Sunday 25.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 86°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 13mphENE 58°
  • Humidity: 53%
  • UV index: 10
  • Sunrise: 6:28 am HST
  • Sunset: 6:05 pm HST
  • ▼
  • Sunday
  • Oct 18, 2026
  • 86°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 17mphENE 64°
  • Humidity: 60%
  • UV index: 10
  • Sunrise: 6:29 am HST
  • Sunset: 6:05 pm HST
  • ▼
  • Monday
  • Oct 19, 2026
  • 86°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphENE 67°
  • Humidity: 61%
  • UV index: 10
  • Sunrise: 6:29 am HST
  • Sunset: 6:04 pm HST
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 86°F
  • 73°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 17mphENE 68°
  • Humidity: 59%
  • UV index: 10
  • Sunrise: 6:29 am HST
  • Sunset: 6:03 pm HST
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 86°F
  • 72°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 14mphENE 68°
  • Humidity: 59%
  • UV index: 10
  • Sunrise: 6:30 am HST
  • Sunset: 6:02 pm HST
  • ▼
  • Thursday
  • Oct 22, 2026
  • 86°F
  • 72°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphENE 74°
  • Humidity: 61%
  • UV index: 9
  • Sunrise: 6:30 am HST
  • Sunset: 6:02 pm HST
  • ▼
  • Friday
  • Oct 23, 2026
  • 86°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphENE 64°
  • Humidity: 65%
  • UV index: 8
  • Sunrise: 6:31 am HST
  • Sunset: 6:01 pm HST
  • ▼
  • Saturday
  • Oct 24, 2026
  • 86°F
  • 73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 9mphENE 61°
  • Humidity: 66%
  • UV index: 7
  • Sunrise: 6:31 am HST
  • Sunset: 6:00 pm HST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 84°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 10mphENE 61°
  • Humidity: 67%
  • UV index: 7
  • Sunrise: 6:31 am HST
  • Sunset: 6:00 pm HST
  • ▼
  • Monday
  • Oct 26, 2026
  • 86°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphENE 74°
  • Humidity: 63%
  • UV index: 8
  • Sunrise: 6:32 am HST
  • Sunset: 5:59 pm HST
  • ▼
Throughout the next ten days, a combination of sunny and cloudy weather is predicted.
Rain is not forecasted in Ewa in the upcoming period.
The variation in maximum temperature will be negligible throughout the coming week. The maximum temperature will vary between 84.2°F and 86°F, while the lowest nightly temperature differences will be also negligible, as the overnight low will fall between 71.6°F and 73.4°F.
Nearly all days in the upcoming ten-day period will share the same maximum of 86°F; with the highest temperature of 84.2°F, next Sunday will be the coldest day.
Combining with the humidity, the maximum feel-like temperature may increase and vary between a hot 89.6°F and a tropical 93.2°F.
Updated: Oct 17, 2026 @ 21:49:25 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Ewa, expect plenty of sunshine and only a few scattered clouds.

Today, 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 appraised at 89.6°F.
The highest temperature today will be a few degrees higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 76.1°F.

On Saturday, in Ewa, sunrise was at 6:28 am and sunset will be at 6:05 pm (HST).

Today, the daylight will last for 11h and 37min.

On Sunday, mostly sunny and dry conditions will continue.

Tomorrow, the maximum temperature in Ewa 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 estimated at 91.4°F.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature 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).

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