Weather forecast for 10 daysClayton, WA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 63°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphENE 72°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:14 am PDT
  • Sunset: 5:56 pm PDT
  • ▼
Today, on Sunday, October 18, bright and sunny weather is expected.
The anticipated temperature range extends from a high of a comfortable 62.6°F to a low of a wintry 37.4°F.
Today, the predicted high temperature will be slightly warmer than the average October peak of 55.8°F.
Sunrise will be at 7:14 am and sunset at 5:56 pm; the daylight will last for 10h and 41min.

10-day overview

Daily temperatures

Warmest day: Tuesday 66°C.
Coldest period: Saturday - Tuesday 48°C.

Chance of precipitation

Highest chance: 36%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 63°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphENE 72°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:14 am PDT
  • Sunset: 5:56 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 59°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphNNE 19°
  • Humidity: 52%
  • UV index: 1
  • Sunrise: 7:15 am PDT
  • Sunset: 5:54 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphN 6°
  • Humidity: 51%
  • UV index: 2
  • Sunrise: 7:17 am PDT
  • Sunset: 5:52 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphE 95°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:18 am PDT
  • Sunset: 5:50 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 37°F
AM Showers
AM Showers
  • Precip. probability: 36%
  • Precipitation: 0"
  • Wind: 4mphESE 111°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:20 am PDT
  • Sunset: 5:48 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 55°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0.04"
  • Wind: 6mphW 267°
  • Humidity: 56%
  • UV index: 2
  • Sunrise: 7:21 am PDT
  • Sunset: 5:47 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 48°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 6mphE 84°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:23 am PDT
  • Sunset: 5:45 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 48°F
  • 32°F
AM Showers
AM Showers
  • Precip. probability: 36%
  • Precipitation: 0.08"
  • Wind: 8mphNE 55°
  • Humidity: 72%
  • UV index: 2
  • Sunrise: 7:25 am PDT
  • Sunset: 5:43 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 48°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • Wind: 6mphNE 47°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 7:26 am PDT
  • Sunset: 5:41 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 48°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphSE 142°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 7:28 am PDT
  • Sunset: 5:40 pm PDT
  • ▼
For the next ten days, a combination of primarily overcast and occasionally rainy and sunny weather is expected.
Rainfall is anticipated on next Sunday and Monday.
Expect a substantial fluctuation in daytime highs in the next ten days. The maximum temperature will vary between 48.2°F and 66.2°F, while the minimum temperature is forecast to range between 28.4°F and 39.2°F.
Expect the warmest day on Tuesday, with temperatures peaking at 66.2°F; Saturday through next Tuesday, with the highest temperature of 48.2°F, will be the coldest days in Clayton.
Updated: Oct 18, 2026 @ 07:42:06 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, sunshine and minimal clouds are in the outlook.

Today, the highest temperature will be 62.6°F, while the lowest temperature will be 37.4°F.
Today, the maximum temperature will be relatively higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 36.7°F.

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

In Clayton, today, there will be 10h and 41min of daylight.