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"
  • Wind: 7mphE 88°
  • Humidity: 79%
  • UV index: 2
  • Sunrise: 7:56 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
On Saturday, October 31, changing cloud patterns will allow for periods of sunshine.
Rainfall is not predicted. Expected temperature values will span from a refreshing 57.2°F down to a cold 35.6°F.
Expect the maximum temperature to remain consistent with the typical October high of 58.5°F.
Sunrise will be at 7:56 am and sunset at 6:00 pm; the daylight will last for 10h and 4min.

Sunday Nov 1, 2026

  • 57°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphS 185°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 6:58 am PST
  • Sunset: 4:59 pm PST
  • ▼
On Sunday, November 1, sunny skies and pleasant visibility are expected.
Rainfall is not forecasted. Temperatures are predicted to peak at a moderate 57.2°F and drop to a minimum of a cold 37.4°F.
Sunday's top temperature is set to align with the common October high of 58.5°F.
Sunrise will be at 6:58 am and sunset at 4:59 pm; the daylight will last for 10h and 1min.

10-day overview

Daily temperatures

Warmest day: Tuesday 61°C.
Coldest day: tomorrow 52°C.

Chance of precipitation

Highest chance: tomorrow 69%.

Long-term weather forecast

  • Thursday
  • Oct 29, 2026
  • min.
  • 41°F
Cloudy
Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 6mphE 85°
  • Humidity: 98%
  • UV index: 0
  • Sunrise: 7:53 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Friday
  • Oct 30, 2026
  • 52°F
  • 39°F
PM Rain
PM Rain
  • Precip. probability: 69%
  • Precipitation: 0.16"
  • Wind: 8mphESE 111°
  • Humidity: 88%
  • 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"
  • Wind: 7mphE 88°
  • Humidity: 79%
  • UV index: 2
  • Sunrise: 7:56 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 57°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphS 185°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 6:58 am PST
  • Sunset: 4:59 pm PST
  • ▼
  • Monday
  • Nov 2, 2026
  • 54°F
  • 43°F
Cloudy
Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 7mphE 91°
  • Humidity: 79%
  • UV index: 1
  • Sunrise: 6:59 am PST
  • Sunset: 4:57 pm PST
  • ▼
  • Tuesday
  • Nov 3, 2026
  • 61°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 7mphE 92°
  • Humidity: 71%
  • UV index: 2
  • Sunrise: 7:01 am PST
  • Sunset: 4:56 pm PST
  • ▼
  • Wednesday
  • Nov 4, 2026
  • 59°F
  • 46°F
PM Showers
PM Showers
  • Precip. probability: 34%
  • Precipitation: 0.2"
  • Wind: 6mphSE 140°
  • Humidity: 73%
  • UV index: 1
  • Sunrise: 7:02 am PST
  • Sunset: 4:54 pm PST
  • ▼
  • Thursday
  • Nov 5, 2026
  • 55°F
  • 46°F
Showers
Showers
  • Precip. probability: 49%
  • Precipitation: 0.12"
  • Wind: 8mphSSE 158°
  • Humidity: 88%
  • UV index: 1
  • Sunrise: 7:04 am PST
  • Sunset: 4:53 pm PST
  • ▼
  • Friday
  • Nov 6, 2026
  • 55°F
  • 46°F
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 0.35"
  • Wind: 8mphSSE 155°
  • Humidity: 88%
  • UV index: 1
  • Sunrise: 7:05 am PST
  • Sunset: 4:51 pm PST
  • ▼
  • Saturday
  • Nov 7, 2026
  • 57°F
  • 46°F
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 0.87"
  • Wind: 10mphSE 134°
  • Humidity: 84%
  • UV index: 1
  • Sunrise: 7:07 am PST
  • Sunset: 4:50 pm PST
  • ▼
Over the next ten days, a mix of rain-soaked, overcast and dry and sunny weather is expected.
Rainfall is predicted for Friday, Wednesday through next Saturday.
In the upcoming period, the maximum temperature will range between 51.8°F and 60.8°F, while the lowest temperature will be between 35.6°F and 46.4°F.
Tuesday will be the warmest day, with a maximum temperature of 60.8°F; Friday will be the coldest day, with the highest temperature of 51.8°F.
Updated: Oct 30, 2026 @ 05:42:27 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Cosmopolis, a combination of damp, cloud-filled and sunny weather is expected for the next ten days.

Rainfall is anticipated on Friday, Wednesday through next Saturday in Cosmopolis. With elevated precipitation of 0.87", next Saturday will be the day with the most rainfall.

The maximum temperature will vary between 51.8°F and 60.8°F, while the minimum temperature will vary between 35.6°F and 46.4°F.

Tuesday will be the warmest day, with a maximum temperature of 60.8°F. The coldest day will be tomorrow, with a maximum of 51.8°F.

On Saturday, intermittent cloud cover is expected, allowing for some sunshine.

No, it will not rain on Saturday.

On Saturday, the highest temperature will be 57.2°F, while the lowest temperature will be 35.6°F.

On Sunday, the forecast calls for abundant sunshine.

No, it will not rain on Sunday.

On Sunday, the maximum temperature will be 57.2°F, while the minimum temperature will be 37.4°F.