Weather forecast for 10 daysCopalis Beach, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 9mphN 5°
- Humidity: 78%
- UV index: 3
- Sunrise: 7:39 am PDT
- Sunset: 6:23 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, variable cloud cover will persist, but sunshine will break through.
Temperatures are anticipated to range from a maximum of a mild 59°F to a minimum of a frosty 42.8°F.
Forecasts show that tomorrow the temperature will align with October's standard maximum 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.
Temperatures are anticipated to range from a maximum of a mild 59°F to a minimum of a frosty 42.8°F.
Forecasts show that tomorrow the temperature will align with October's standard maximum 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 day: Tuesday 61°C.
Coldest day: Saturday 24.10. 55°C.
Coldest day: Saturday 24.10. 55°C.
Chance of precipitation
Highest chance: Saturday 24.10. 47%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 39°F
Mostly Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 11mphN 354°
- Humidity: 84%
- UV index: 0
- Sunrise: 7:38 am PDT
- Sunset: 6:25 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 9mphN 5°
- Humidity: 78%
- UV index: 3
- Sunrise: 7:39 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 59°F
- 39°F
Mostly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 7mphS 183°
- Humidity: 78%
- UV index: 2
- Sunrise: 7:41 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 61°F
- 43°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphNNE 17°
- Humidity: 76%
- UV index: 3
- Sunrise: 7:42 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 59°F
- 46°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0.04"
- Wind: 10mphN 353°
- Humidity: 77%
- UV index: 3
- Sunrise: 7:44 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 57°F
- 45°F
PM Showers
- Precip. probability: 37%
- Precipitation: 0.04"
- Wind: 13mphNW 309°
- Humidity: 83%
- UV index: 2
- Sunrise: 7:45 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0.04"
- Wind: 9mphNW 305°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:46 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 43°F
Showers
- Precip. probability: 47%
- Precipitation: 0.12"
- Wind: 9mphENE 77°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:48 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 8mphNE 56°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:49 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 45°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphS 170°
- Humidity: 78%
- UV index: 2
- Sunrise: 7:51 am PDT
- Sunset: 6:09 pm PDT
- details ▼
Looking ahead, conditions suggest a period of primarily dull and occasionally wet and mostly clear weather is expected.
Rainfall is forecasted for Thursday through next Saturday.
Fluctuations in temperature will be barely perceptible over the next several days. Maximum temperatures will fall between 55.4°F and 60.8°F, while nighttime temperatures are expected to vary from 39.2°F to 46.4°F.
The warmest day will be Tuesday, with a maximum of 60.8°F; the lowest daytime temperature of the period will be reached on next Saturday, peaking at 55.4°F.
Rainfall is forecasted for Thursday through next Saturday.
Fluctuations in temperature will be barely perceptible over the next several days. Maximum temperatures will fall between 55.4°F and 60.8°F, while nighttime temperatures are expected to vary from 39.2°F to 46.4°F.
The warmest day will be Tuesday, with a maximum of 60.8°F; the lowest daytime temperature of the period will be reached on next Saturday, peaking at 55.4°F.
Updated: Oct 18, 2026 @ 01:13:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, partly cloudy skies will persist, making for a mix of sun and clouds.
Tomorrow, the maximum temperature will be 59°F, while the minimum 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.
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 Beach, sunrise will be at 7:39 am and sunset at 6:23 pm (PDT).
In Copalis Beach, the length of the day tomorrow will be 10h and 44min.
