Weather forecast for 10 daysCosmopolis, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphNE 42°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:37 am PDT
- Sunset: 6:22 pm PDT
- details ▼
Tomorrow, sunlight and clouds will take turns dominating the sky.
The highest anticipated temperature is a comfortable 62.6°F, while the lowest temperature will be a wintry 41°F.
Tomorrow, the maximum temperature is expected to be relatively higher than the common October peak of 58.5°F.
Sunrise will be at 7:37 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 44min.
The highest anticipated temperature is a comfortable 62.6°F, while the lowest temperature will be a wintry 41°F.
Tomorrow, the maximum temperature is expected to be relatively higher than the common October peak of 58.5°F.
Sunrise will be at 7:37 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 44min.
10-day overview
Daily temperatures
Warmest day: Tuesday 64°C.
Coldest day: Saturday 24.10. 54°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
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphN 8°
- Humidity: 89%
- UV index: 0
- Sunrise: 7:36 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphNE 42°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:37 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 39°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphSSW 200°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:39 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 43°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphNE 52°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:40 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 63°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphN 352°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:42 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 55°F
- 43°F
AM Clouds / PM Sun
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphW 262°
- Humidity: 84%
- UV index: 2
- Sunrise: 7:43 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 41°F
Mostly Sunny
- Precip. probability: 17%
- Precipitation: 0.04"
- Wind: 9mphW 277°
- Humidity: 75%
- UV index: 3
- Sunrise: 7:45 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 43°F
Showers
- Precip. probability: 46%
- Precipitation: 0.2"
- Wind: 9mphE 96°
- Humidity: 76%
- UV index: 2
- Sunrise: 7:46 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 9mphESE 123°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:47 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphS 172°
- Humidity: 80%
- UV index: 2
- Sunrise: 7:49 am PDT
- Sunset: 6:08 pm PDT
- details ▼
Models point to a combination of gloomy, dry and sunny and rain-soaked weather is expected.
Rainfall is expected on Friday and next Saturday.
In the coming days, the maximum temperature will range between 53.6°F and 64.4°F, while changes in the overnight low will be barely noticeable, as the overnight low will fall between 39.2°F and 44.6°F.
Expect the warmest day on Tuesday, with temperatures peaking at 64.4°F; expect the coldest day on next Saturday with a high of 53.6°F.
Rainfall is expected on Friday and next Saturday.
In the coming days, the maximum temperature will range between 53.6°F and 64.4°F, while changes in the overnight low will be barely noticeable, as the overnight low will fall between 39.2°F and 44.6°F.
Expect the warmest day on Tuesday, with temperatures peaking at 64.4°F; expect the coldest day on next Saturday with a high of 53.6°F.
Updated: Oct 18, 2026 @ 01:52:29 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, changing cloud patterns will allow for periods of sunshine.
Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 41°F.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a few degrees lower than the average low temperature.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a few degrees lower than the average low temperature.
On Sunday, in Cosmopolis, sunrise will be at 7:37 am and sunset at 6:22 pm (PDT).
In Cosmopolis, tomorrow, there will be 10h and 44min of daylight.





