Weather forecast for 10 daysOnion Creek, WA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 59°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 11°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:16 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
On Sunday, October 18, sunny intervals will be long-lasting, with few disruptions.
The predicted temperature range extends from a high of a refreshing 59°F to a low of a wintry 35.6°F.
The forecasted temperature is moderately higher than October's regular maximum of 52.7°F.
Sunrise will be at 7:16 am and sunset at 5:55 pm; the daylight will last for 10h and 39min.

10-day overview

Daily temperatures

Warmest day: Wednesday 63°C.
Coldest day: Sunday 25.10. 45°C.

Chance of precipitation

Highest chance: Sunday 25.10. 40%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 59°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 11°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:16 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 55°F
  • 36°F
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphNNE 15°
  • Humidity: 58%
  • UV index: 2
  • Sunrise: 7:18 am PDT
  • Sunset: 5:54 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 61°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphN 8°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:19 am PDT
  • Sunset: 5:52 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphN 0°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:21 am PDT
  • Sunset: 5:50 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 3mphNNW 327°
  • Humidity: 67%
  • UV index: 2
  • Sunrise: 7:22 am PDT
  • Sunset: 5:48 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 54°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 6mphNW 305°
  • Humidity: 58%
  • UV index: 2
  • Sunrise: 7:24 am PDT
  • Sunset: 5:46 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 4mphNNE 31°
  • Humidity: 67%
  • UV index: 2
  • Sunrise: 7:25 am PDT
  • Sunset: 5:44 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 45°F
  • 30°F
AM Rain / Snow Showers
AM Rain / Snow Showers
  • Precip. probability: 40%
  • Precipitation: 0.08"
  • Wind: 6mphNE 37°
  • Humidity: 79%
  • UV index: 2
  • Sunrise: 7:27 am PDT
  • Sunset: 5:43 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 46°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • Wind: 4mphNNE 19°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 7:29 am PDT
  • Sunset: 5:41 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 46°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphNNE 22°
  • Humidity: 81%
  • UV index: 2
  • Sunrise: 7:30 am PDT
  • Sunset: 5:39 pm PDT
  • ▼
During the ten-day period, cloudy, sunny and snowy and cold weather is expected.
With a 24% probability, rainfall is predicted only for next Monday. Predicted precipitation will be minimal at 0.12".
With a 40% probability, snowfall is predicted only for next Sunday. The precipitation will be light at 0.12".
Expect a substantial fluctuation in daytime highs in the next ten days. The maximum temperature will vary between 44.6°F and 62.6°F, while the minimum temperature is forecast to range between 28.4°F and 37.4°F.
The warmest day will be Wednesday, with a maximum of 62.6°F; the coldest day will be next Sunday, with a maximum of 44.6°F.
Updated: Oct 18, 2026 @ 07:26:52 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

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

Today, the highest temperature will be 59°F, while the lowest temperature will be 35.6°F.
The maximum temperature today will be a few degrees higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 33.4°F.

On Sunday, in Onion Creek, sunrise will be at 7:16 am and sunset at 5:55 pm (PDT).

In Onion Creek, today, there will be 10h and 39min of daylight.