Weather forecast for 10 daysCosmopolis, WA

Weather forecast for the weekend

Saturday Oct 31, 2026

  • 57°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0.12"
  • Wind: 7mphE 88°
  • Humidity: 80%
  • UV index: 2
  • Sunrise: 7:56 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
Tomorrow, a partly cloudy sky is also anticipated.
Minimal precipitation is predicted. The temperature is forecasted to vary between a maximum of a mild 57.2°F and a minimum of a wintry 35.6°F.
Tomorrow, expect the temperature to remain near October's average maximum of 58.5°F.
Sunrise will be at 7:56 am and sunset at 6:00 pm; tomorrow's daylight will last for 10h and 4min.

Sunday Nov 1, 2026

  • 57°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphSSE 168°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:58 am PDT
  • Sunset: 5:59 pm PDT
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On Sunday, in Cosmopolis, expect plenty of sunshine and only a few scattered clouds.
Rainfall is not predicted. The maximum temperature will be a refreshing 57.2°F, while the minimum anticipated temperature is an icy 39.2°F.
The maximum temperature on Sunday is anticipated to match the regular October high of 58.5°F.
Sunrise will be at 7:58 am and sunset at 5:59 pm; the daylight will last for 10h and 1min.

10-day overview

Daily temperatures

Maximum temperature: 61°C.
Coldest day: today 52°C.

Chance of precipitation

Highest chance: Thursday 65%.

Long-term weather forecast

  • Friday
  • Oct 30, 2026
  • 52°F
  • 39°F
PM Showers
PM Showers
  • Precip. probability: 61%
  • Precipitation: 0"
  • Wind: 8mphESE 110°
  • Humidity: 89%
  • UV index: 1
  • Sunrise: 7:55 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Saturday
  • Oct 31, 2026
  • 57°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0.12"
  • Wind: 7mphE 88°
  • Humidity: 80%
  • UV index: 2
  • Sunrise: 7:56 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 57°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphSSE 168°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:58 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
  • Monday
  • Nov 2, 2026
  • 54°F
  • 45°F
Cloudy
Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 7mphE 92°
  • Humidity: 81%
  • UV index: 1
  • Sunrise: 6:59 am PST
  • Sunset: 4:57 pm PST
  • ▼
  • Tuesday
  • Nov 3, 2026
  • 61°F
  • 43°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphESE 102°
  • Humidity: 74%
  • UV index: 2
  • Sunrise: 7:01 am PST
  • Sunset: 4:56 pm PST
  • ▼
  • Wednesday
  • Nov 4, 2026
  • 59°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphSE 133°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 7:02 am PST
  • Sunset: 4:54 pm PST
  • ▼
  • Thursday
  • Nov 5, 2026
  • 55°F
  • 46°F
Showers
Showers
  • Precip. probability: 65%
  • Precipitation: 0.16"
  • Wind: 7mphSSW 196°
  • Humidity: 89%
  • UV index: 1
  • Sunrise: 7:04 am PST
  • Sunset: 4:53 pm PST
  • ▼
  • Friday
  • Nov 6, 2026
  • 55°F
  • 46°F
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 0.16"
  • Wind: 7mphSSE 159°
  • Humidity: 89%
  • UV index: 1
  • Sunrise: 7:05 am PST
  • Sunset: 4:51 pm PST
  • ▼
  • Saturday
  • Nov 7, 2026
  • 61°F
  • 48°F
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 0.2"
  • Wind: 9mphSE 129°
  • Humidity: 76%
  • UV index: 1
  • Sunrise: 7:07 am PST
  • Sunset: 4:50 pm PST
  • ▼
  • Sunday
  • Nov 8, 2026
  • 57°F
  • 45°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.35"
  • Wind: 9mphS 173°
  • Humidity: 84%
  • UV index: 1
  • Sunrise: 7:08 am PST
  • Sunset: 4:49 pm PST
  • ▼
showery, cloud-filled and mostly clear weather is forecasted.
Rainfall is expected on Saturday, Thursday through next Sunday.
In the coming days, the maximum temperature will range between 51.8°F and 60.8°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 35.6°F up to 48.2°F.
With a maximum temperature of 60.8°F, Tuesday and next Saturday will be the warmest days; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 30, 2026 @ 08:49:11 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Cosmopolis, a combination of rain-filled, gloomy and bright weather is anticipated for the next ten days.

Rainfall is forecasted for Saturday, Thursday through next Sunday in Cosmopolis. With light precipitation of 0.35", next Sunday will be the day with the most rainfall.

The maximum temperature will vary between 51.8°F and 60.8°F, as the minimum temperature will be between 35.6°F and 48.2°F.

With a maximum temperature of 60.8°F, Tuesday and next Saturday will be the warmest days. Today is the coldest day, with a maximum temperature of 51.8°F.

Tomorrow, in Cosmopolis, expect partly sunny skies with periods of cloudiness.

Tomorrow, there is a low probability of minimal rainfall in Cosmopolis.

Tomorrow, the maximum temperature will be 57.2°F, while the minimum temperature will be 35.6°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be notably lower than the average low of 45.5°F.

On Saturday, in Cosmopolis, sunrise will be at 7:56 am and sunset at 6:00 pm (PDT).

In Cosmopolis, tomorrow, there will be 10h and 4min of daylight.

On Sunday, clear skies with only minor cloud interruptions are in the outlook.

No, it will not rain on Sunday.

On Sunday, the highest temperature will be 57.2°F, while the lowest temperature will be 39.2°F.