Weather forecast for tomorrowCopalis Crossing, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 8mphN 354°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 7:39 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
Tomorrow, on Sunday, October 18, sunlight and clouds will take turns dominating the sky.
The highest expected temperature is a moderate 59°F, while the lowest temperature will be a wintry 41°F.
The expected temperature peak will correspond with October's average 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.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 57°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 7%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    46°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphN 358°
  • Humidity: 84%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphN 5°
  • Humidity: 88%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNNE 12°
  • Humidity: 90%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphNE 39°
  • Humidity: 96%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:39 am
  • 8 am
  • 41°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 3mphENE 76°
  • Humidity: 100%
  • Pressure: 30.18"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphE 89°
  • Humidity: 87%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 149°
  • Humidity: 69%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphWNW 285°
  • Humidity: 62%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphWNW 297°
  • Humidity: 63%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNW 310°
  • Humidity: 72%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphNNW 345°
  • Humidity: 84%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphENE 72°
  • Humidity: 89%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, the weather will be cloudy.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 59°F. The warmest part of the day is anticipated around 2 pm.
The highest temperature tomorrow will be similar to October's typical maximum. Tomorrow, expect the temperature to be more similar to the typical minimum for November than for October.
Updated: Oct 18, 2026 @ 02:34:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, thin clouds will pass through at times, but overall, it will remain bright.

Tomorrow, the highest temperature will be 59°F, while the lowest temperature will be 41°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be moderately lower 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, tomorrow, there will be 10h and 44min of daylight.