Weather forecast for 10 daysClayton, WA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 63°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphENE 71°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:14 am PDT
  • Sunset: 5:56 pm PDT
  • ▼
Tomorrow, on Sunday, October 18, a crisp, sunny atmosphere is also likely.
The temperature scale will run from a maximum of a comfortable 62.6°F to a minimum of a wintry 37.4°F.
The temperature is expected to be a couple of degrees higher than the standard October peak of 55.8°F.
Sunrise will be at 7:14 am and sunset at 5:56 pm; tomorrow's daylight will last for 10h and 41min.

10-day overview

Daily temperatures

Warmest day: Tuesday 66°C.
Coldest period: Saturday - Sunday 50°C.

Chance of precipitation

Highest chance: Sunday 25.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 28°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphNNE 26°
  • Humidity: 75%
  • UV index: 0
  • Sunrise: 7:13 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphENE 71°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:14 am PDT
  • Sunset: 5:56 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 59°F
  • 37°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphNNE 24°
  • Humidity: 51%
  • UV index: 1
  • Sunrise: 7:15 am PDT
  • Sunset: 5:54 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphN 1°
  • Humidity: 51%
  • UV index: 2
  • Sunrise: 7:17 am PDT
  • Sunset: 5:52 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphE 98°
  • Humidity: 54%
  • UV index: 2
  • Sunrise: 7:18 am PDT
  • Sunset: 5:50 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 4mphESE 118°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 7:20 am PDT
  • Sunset: 5:48 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 55°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphWSW 247°
  • Humidity: 57%
  • UV index: 2
  • Sunrise: 7:21 am PDT
  • Sunset: 5:47 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 50°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphE 85°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 7:23 am PDT
  • Sunset: 5:45 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNE 50°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:25 am PDT
  • Sunset: 5:43 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 52°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 5mphENE 68°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:26 am PDT
  • Sunset: 5:41 pm PDT
  • ▼
Weather models show that a combination of overcast and bright weather is forecasted.
Rainfall is not expected in Clayton in the upcoming days.
Noticeable swings in temperature are expected across the forecast period. The maximum temperature will vary between 50°F and 66.2°F, while the minimum temperature is forecast to range between 28.4°F and 39.2°F.
Tuesday is expected to be the warmest, reaching up to 66.2°F; the coldest days will be next Saturday and Sunday, with a maximum of 50°F.
Updated: Oct 18, 2026 @ 05:34:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, clear skies with only minor cloud interruptions are in the outlook.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 37.4°F.
The highest temperature will be relatively higher than the average maximum of 55.8°F in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Clayton, sunrise will be at 7:14 am and sunset at 5:56 pm (PDT).

In Clayton, the length of the day tomorrow will be 10h and 41min.