Weather forecast for tomorrowSnoqualmie Pass, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 54°F
  • 41°F
AM Fog / PM Sun
AM Fog / PM Sun
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 4mphESE 113°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:29 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
Tomorrow, in Snoqualmie Pass, dense fog in the morning is also expected, but afternoon sunshine will break through.
The temperature variation is anticipated to range from a maximum of a crisp 53.6°F to a minimum of a wintry 41°F.
The forecasted temperature is moderately higher than October's regular maximum of 49.1°F.
Sunrise will be at 7:29 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 43min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 54°C.
Coldest period: 3 am - 6 am 36°C.

Chance of precipitation

Highest chance: 6 am 19%.

Hourly weather forecast

  • 12 am
  • 39°F
  • Feels like:
    39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphW 276°
  • Humidity: 91%
  • Pressure: 30.24"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphW 278°
  • Humidity: 90%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphS 170°
  • Humidity: 87%
  • Pressure: 30.24"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 2mphESE 103°
  • Humidity: 83%
  • Pressure: 30.21"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
Sunrise: 7:29 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Foggy
Foggy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphE 94°
  • Humidity: 78%
  • Pressure: 30.18"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    43°F
Foggy
Foggy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 120°
  • Humidity: 63%
  • Pressure: 30.15"Hg
  • Visibility: 0mi
  • UV index: 1
  • ▼
  • 12 pm
  • 48°F
  • Feels like:
    48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 123°
  • Humidity: 49%
  • Pressure: 30.09"Hg
  • Visibility: 9mi
  • UV index: 3
  • ▼
  • 2 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphE 101°
  • Humidity: 43%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSE 124°
  • Humidity: 44%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 119°
  • Humidity: 57%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 8 pm
  • 45°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 115°
  • Humidity: 60%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 114°
  • Humidity: 61%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of primarily cloudy and occasionally misty and mostly clear weather is forecasted.
The temperature will be between the lowest temperature of 35.6°F and the highest temperature of 53.6°F. The warmest part of the day will be around 3 pm.
Tomorrow, the maximum will be relatively higher than the average high for October. Forecasts show a temperature more close to September's average minimum of 41.2°F rather than the October average of 34.7°F.
Updated: Oct 17, 2026 @ 22:46:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect a foggy start to the day, but by afternoon, bright and sunny conditions will take over.

Tomorrow, the maximum temperature will be 53.6°F, while the minimum temperature will be 41°F.
Tomorrow, the highest temperature will be moderately higher than the average maximum temperature in October. The lowest temperature will be also relatively higher than the average low of 34.7°F.

On Sunday, in Snoqualmie Pass, sunrise will be at 7:29 am and sunset at 6:12 pm (PDT).

In Snoqualmie Pass, the length of the day tomorrow will be 10h and 43min.