Weather forecast for 10 daysCosmopolis, WA

Weather forecast for the weekend

Saturday Oct 31, 2026

  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphENE 76°
  • Humidity: 74%
  • UV index: 2
  • Sunrise: 7:56 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
On Saturday, in Cosmopolis, the sky will feature a blend of clouds and sunshine.
The temperature variation is forecasted to range from a maximum of a mild 55.4°F to a minimum of an icy 33.8°F.
Today's peak is forecasted to reflect the usual October high temperature of 58.5°F.
Sunrise was at 7:56 am and sunset will be at 6:00 pm; the daylight will last for 10h and 4min.

Sunday Nov 1, 2026

  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphESE 118°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 6:58 am PST
  • Sunset: 4:59 pm PST
  • ▼
Tomorrow, in Cosmopolis, variable cloud cover will persist, but sunshine will break through.
The temperature is forecasted to oscillate between a maximum of a moderate 57.2°F and a minimum of a wintry 37.4°F.
The predicted peak temperature will reflect the average October high of 58.5°F.
Sunrise will be at 6:58 am and sunset at 4:59 pm; tomorrow's daylight will last for 10h and 1min.

10-day overview

Daily temperatures

Warmest day: Tuesday 61°C.
Coldest day: Monday 54°C.

Chance of precipitation

Highest chance: Wednesday 68%.

Long-term weather forecast

  • Saturday
  • Oct 31, 2026
  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphENE 76°
  • Humidity: 74%
  • UV index: 2
  • Sunrise: 7:56 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphESE 118°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 6:58 am PST
  • Sunset: 4:59 pm PST
  • ▼
  • Monday
  • Nov 2, 2026
  • 54°F
  • 46°F
Cloudy
Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 8mphE 88°
  • Humidity: 77%
  • UV index: 1
  • Sunrise: 6:59 am PST
  • Sunset: 4:57 pm PST
  • ▼
  • Tuesday
  • Nov 3, 2026
  • 61°F
  • 41°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSSE 151°
  • Humidity: 70%
  • UV index: 1
  • Sunrise: 7:01 am PST
  • Sunset: 4:56 pm PST
  • ▼
  • Wednesday
  • Nov 4, 2026
  • 55°F
  • 45°F
Showers
Showers
  • Precip. probability: 68%
  • Precipitation: 0.31"
  • Wind: 7mphSE 144°
  • Humidity: 83%
  • UV index: 1
  • Sunrise: 7:02 am PST
  • Sunset: 4:54 pm PST
  • ▼
  • Thursday
  • Nov 5, 2026
  • 57°F
  • 48°F
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 0.39"
  • Wind: 7mphS 169°
  • Humidity: 87%
  • UV index: 1
  • Sunrise: 7:04 am PST
  • Sunset: 4:53 pm PST
  • ▼
  • Friday
  • Nov 6, 2026
  • 57°F
  • 46°F
AM Light Rain
AM Light Rain
  • Precip. probability: 62%
  • Precipitation: 0.24"
  • Wind: 8mphSSW 208°
  • Humidity: 85%
  • UV index: 2
  • Sunrise: 7:05 am PST
  • Sunset: 4:51 pm PST
  • ▼
  • Saturday
  • Nov 7, 2026
  • 59°F
  • 48°F
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 0.67"
  • Wind: 10mphSE 137°
  • Humidity: 77%
  • UV index: 1
  • Sunrise: 7:07 am PST
  • Sunset: 4:50 pm PST
  • ▼
  • Sunday
  • Nov 8, 2026
  • 57°F
  • 45°F
AM Showers
AM Showers
  • Precip. probability: 36%
  • Precipitation: 0.08"
  • Wind: 9mphSSW 208°
  • Humidity: 83%
  • UV index: 2
  • Sunrise: 7:08 am PST
  • Sunset: 4:49 pm PST
  • ▼
  • Monday
  • Nov 9, 2026
  • 55°F
  • 46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • Wind: 9mphESE 120°
  • Humidity: 87%
  • UV index: 1
  • Sunrise: 7:10 am PST
  • Sunset: 4:47 pm PST
  • ▼
Over the next ten days, a combination of gloomy and showery weather is anticipated.
Rainfall is anticipated on Wednesday through next Monday.
In the upcoming period, the maximum temperature will range between 53.6°F and 60.8°F, while there will be a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 33.8°F up to 48.2°F.
Expect the warmest day on Tuesday, with temperatures peaking at 60.8°F; Monday will be the coldest day, with the highest temperature of 53.6°F.
Updated: Oct 31, 2026 @ 20:17:58 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, partly cloudy skies will persist, making for a mix of sun and clouds.

Today, the highest temperature will be 55.4°F, while the lowest temperature will be 33.8°F.
Today, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature today will be noticeably lower than the average low of 45.5°F.

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

In Cosmopolis, the length of the day today will be 10h and 4min.

Tomorrow, in Cosmopolis, the sky will feature a blend of clouds and sunshine.

Tomorrow, the maximum temperature will be 57.2°F, while the minimum temperature will be 37.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be relatively lower than the average low temperature.

On Sunday, in Cosmopolis, sunrise will be at 6:58 am and sunset at 4:59 pm (PST).

In Cosmopolis, tomorrow, there will be 10h and 1min of daylight.