Weather forecast for 10 daysCopalis Crossing, WA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 59°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 8mphN 357°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 7:39 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
Tomorrow, on Sunday, October 18, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
The temperature variation is anticipated to range from a maximum of a mild 59°F to a minimum of a chilly 42.8°F.
Tomorrow, the predicted maximum temperature should be consistent with October's typical high of 57.7°F.
Sunrise will be at 7:39 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 44min.

10-day overview

Daily temperatures

Warmest period: Tuesday - Wednesday 61°C.
Coldest day: Saturday 24.10. 54°C.

Chance of precipitation

Highest chance: Saturday 24.10. 46%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphN 353°
  • Humidity: 82%
  • UV index: 0
  • Sunrise: 7:37 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 59°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 8mphN 357°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 7:39 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 59°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphS 180°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 7:40 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 61°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphNNE 17°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 7:42 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 61°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphNNW 348°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 7:43 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 55°F
  • 45°F
PM Showers
PM Showers
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Wind: 12mphNW 304°
  • Humidity: 84%
  • UV index: 2
  • Sunrise: 7:45 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 55°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0.04"
  • Wind: 9mphWNW 298°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:46 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 43°F
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 0.16"
  • Wind: 9mphE 87°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:48 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 7mphESE 112°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:49 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphS 171°
  • Humidity: 80%
  • UV index: 2
  • Sunrise: 7:50 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
During the upcoming ten-day period, primarily cloudy and occasionally showery weather is predicted.
Rain is forecasted for Thursday through next Saturday.
In the upcoming days, the highest temperature will vary between 53.6°F and 60.8°F, while the low temperature range extends from 39.2°F to 46.4°F.
Tuesday and Wednesday, with the highest temperature of 60.8°F, will be the warmest days; with the highest temperature of 53.6°F, next Saturday will be the coldest day.
Updated: Oct 18, 2026 @ 00:10:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Copalis Crossing, mostly clear with scattered clouds is expected.

Tomorrow, the highest temperature will be 59°F, while the lowest temperature will be 42.8°F.
The highest temperature will be in line with the average maximum of 57.7°F in October. The lowest temperature tomorrow will be slightly cooler than the average low temperature.

On Sunday, in Copalis Crossing, sunrise will be at 7:39 am and sunset at 6:23 pm (PDT).

In Copalis Crossing, the length of the day tomorrow will be 10h and 44min.