Snoqualmie Pass
Weather by month
Current –

Snoqualmie Pass Weather in October

During October, Snoqualmie Pass experiences low daytime temperatures of 10°C (50°F) and cooler nights around 4°C (39°F). October sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Snoqualmie Pass in October

As part of the rainy season, Snoqualmie Pass sees around 19 days of rain in October, with an average of 256 mm (10 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Snoqualmie Pass in October

October in Snoqualmie Pass brings low temperatures, with highs of 10°C (50°F) and nights around 4°C (39°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Snoqualmie Pass in October

You can expect a moderate amount of sunlight, with approximately 143 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

October in Snoqualmie Pass can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Snoqualmie Pass Temperature in October

Min Temperature
4°C (39°F)
Max Temperature
10°C (50°F)
Chance of Rain
64%
Precipitation
256 mm (10 in)
Rainy days
19 days
Humidity
78% *
Sunshine
143 hours *
Percentage Sunshine
42% *
* Data from: Seattle, the United States of America (66 KM, 41 Miles).

Snoqualmie Pass Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Snoqualmie Pass - and find the best time to visit.

Best Places in the United States of America in October

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Snoqualmie Pass in October

Pack for changing conditions in Snoqualmie Pass in October. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Snoqualmie Pass in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10
  • Outdoor sports
    5/10

Snoqualmie Pass 3-Day Forecast

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.