Weather forecast for 10 daysHilo, HI

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 77°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphNNE 17°
  • Humidity: 80%
  • UV index: 9
  • Sunrise: 6:15 am HST
  • Sunset: 5:55 pm HST
  • ▼
On Saturday, October 17, high-altitude clouds may scatter across the sky, but the sun will still shine.
Temperature is forecasted to swing from a high of a moderately hot 77°F to a low of a comfortable 66.2°F.
The expected maximum is forecasted to be in line with the regular October temperature of 74.7°F.
Sunrise will be at 6:15 am and sunset at 5:55 pm; the daylight will last for 11h and 40min.

Sunday Oct 18, 2026

  • 79°F
  • 68°F
Showers
Showers
  • Precip. probability: 75%
  • Precipitation: 0.2"
  • Wind: 10mphNNE 18°
  • Humidity: 82%
  • UV index: 8
  • Sunrise: 6:16 am HST
  • Sunset: 5:54 pm HST
  • ▼
Tomorrow, in Hilo, expect light showers throughout the day, with a chance of dry weather later.
The chance of precipitation is high. However, the rainfall will be light. Temperatures are expected to range from a maximum of a warm 78.8°F to a minimum of an agreeable 68°F.
Tomorrow, the anticipated peak temperature is set to be relatively higher than the typical October temperature of 74.7°F.
Sunrise will be at 6:16 am and sunset at 5:54 pm; tomorrow's daylight will last for 11h and 39min.

10-day overview

Daily temperatures

Maximum temperature: 79°C.
Minimum temperature: 77°C.

Chance of precipitation

Highest chance: tomorrow 75%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 77°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphNNE 17°
  • Humidity: 80%
  • UV index: 9
  • Sunrise: 6:15 am HST
  • Sunset: 5:55 pm HST
  • ▼
  • Sunday
  • Oct 18, 2026
  • 79°F
  • 68°F
Showers
Showers
  • Precip. probability: 75%
  • Precipitation: 0.2"
  • Wind: 10mphNNE 18°
  • Humidity: 82%
  • UV index: 8
  • Sunrise: 6:16 am HST
  • Sunset: 5:54 pm HST
  • ▼
  • Monday
  • Oct 19, 2026
  • 77°F
  • 68°F
Showers
Showers
  • Precip. probability: 64%
  • Precipitation: 0.98"
  • Wind: 9mphNE 52°
  • Humidity: 82%
  • UV index: 9
  • Sunrise: 6:16 am HST
  • Sunset: 5:54 pm HST
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 77°F
  • 66°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.43"
  • Wind: 11mphNNE 33°
  • Humidity: 79%
  • UV index: 9
  • Sunrise: 6:16 am HST
  • Sunset: 5:53 pm HST
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 79°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • Wind: 9mphENE 72°
  • Humidity: 75%
  • UV index: 10
  • Sunrise: 6:17 am HST
  • Sunset: 5:52 pm HST
  • ▼
  • Thursday
  • Oct 22, 2026
  • 79°F
  • 68°F
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 0"
  • Wind: 9mphSE 136°
  • Humidity: 76%
  • UV index: 10
  • Sunrise: 6:17 am HST
  • Sunset: 5:52 pm HST
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 70°F
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 0.12"
  • Wind: 9mphSE 135°
  • Humidity: 78%
  • UV index: 8
  • Sunrise: 6:17 am HST
  • Sunset: 5:51 pm HST
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 68°F
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 0.28"
  • Wind: 9mphENE 68°
  • Humidity: 79%
  • UV index: 6
  • Sunrise: 6:18 am HST
  • Sunset: 5:50 pm HST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 68°F
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 0.43"
  • Wind: 10mphE 92°
  • Humidity: 78%
  • UV index: 6
  • Sunrise: 6:18 am HST
  • Sunset: 5:50 pm HST
  • ▼
  • Monday
  • Oct 26, 2026
  • 77°F
  • 68°F
Showers
Showers
  • Precip. probability: 60%
  • Precipitation: 0.39"
  • Wind: 10mphESE 120°
  • Humidity: 78%
  • UV index: 6
  • Sunrise: 6:19 am HST
  • Sunset: 5:49 pm HST
  • ▼
For the coming ten days, primarily wet and occasionally gloomy weather is expected.
Rainfall is forecasted nearly every day for the next ten days.
The high temperatures are expected to remain largely stable in the forecast period ahead. Maximum temperatures will fall between 77°F and 78.8°F, while changes in the overnight low will be also barely noticeable, as the lowest temperatures will remain in the range of 66.2°F to 69.8°F.
Sunday, Wednesday through next Sunday, with the highest temperature of 78.8°F, will be the warmest days in Hilo, Hawaii; the coldest days will be Saturday, Monday, Tuesday and next Monday, with a maximum of 77°F.
Updated: Oct 17, 2026 @ 12:56:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, scattered clouds may briefly filter the sunlight, but it will remain bright overall.

Today, the maximum temperature will be 77°F, while the minimum temperature will be 66.2°F.
The maximum temperature will be in line with the average highest temperature of 74.7°F in October. Today, the lowest temperature will be also in line with the average low temperature.

On Saturday, in Hilo, sunrise will be at 6:15 am and sunset at 5:55 pm (HST).

In Hilo, the length of the day today will be 11h and 40min.

On Sunday, showers are expected to spread throughout the day, with the heaviest rain expected in the morning.

Light precipitation of 0.2" is predicted. The possibility of rainfall is 75%.

Tomorrow, the highest temperature will be 78.8°F, while the lowest temperature will be 68°F.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 69.6°F.

On Sunday, in Hilo, sunrise will be at 6:16 am and sunset at 5:54 pm (HST).

In Hilo, the length of the day tomorrow will be 11h and 39min.