Weather forecast for tomorrowCathan, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 57°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphNNW 330°
  • Humidity: 78%
  • UV index: 3
  • Sunrise: 7:33 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Tomorrow, in Cathan, occasional clouds will pass by, but expect bright spells.
Rain is not expected. The maximum temperature will be a moderate 57.2°F, while the minimum predicted temperature is a chilly 42.8°F.
The maximum temperature tomorrow is predicted to reflect October's average high of 56.3°F.
Sunrise will be at 7:33 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 41min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 3 am 12%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphN 354°
  • Humidity: 91%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphN 351°
  • Humidity: 94%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 2mphN 350°
  • Humidity: 96%
  • Pressure: 30.21"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 2mphN 359°
  • Humidity: 99%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:33 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphN 7°
  • Humidity: 100%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNNW 339°
  • Humidity: 86%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphNW 313°
  • Humidity: 71%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphNW 312°
  • Humidity: 65%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphNW 315°
  • Humidity: 66%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 52°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphNW 317°
  • Humidity: 76%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphNW 317°
  • Humidity: 84%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 4mphNNW 329°
  • Humidity: 87%
  • Pressure: 29.94"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Tomorrow, a combination of primarily cloudy and occasionally mostly clear and rain-filled weather is predicted.
The temperature will be between a minimum of 39.2°F and a maximum of 55.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will be comparable to October's average highest temperature of 56.3°F. The lowest temperature is also in line with October's typical minimum of 43.3°F.
Updated: Oct 17, 2026 @ 15:55:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunlight and clouds will take turns dominating the sky.

No, it will not rain tomorrow.

Tomorrow, the maximum temperature will be 57.2°F, while the minimum temperature will be 42.8°F.
The highest temperature will be in line with the average maximum of 56.3°F in October. The lowest temperature tomorrow will be also in line with the average low temperature.

On Sunday, in Cathan, sunrise will be at 7:33 am and sunset at 6:14 pm (PDT).

Tomorrow, the daylight will last for 10h and 41min.