Mid-autumn · Weather & things to do
Snoqualmie Pass in October
Snoqualmie Pass cools off: highs slip to 50°F (10°C), from 62°F in September, with lows of 37°F (3°C) and about 7.2 in (183 mm) of rain.
Our comfort score puts it mid-table at 49/100, 6th of 12.
- Avg high
- 50°F (10°C)
- Avg low
- 37°F (3°C)
- Rain
- 7.2 in (183 mm)
- Humidity
- 86%
- Cloud cover
- 63%
- Daylight
- ~10 h 35 min
- Comfort score
- 49/100 · Fair
What October feels like
It's cool, with highs near 50°F (10°C), so a proper jacket stays on most of the day.
Nights cool to an average low of 37°F (3°C).
Expect regular rain: about 7.2 in (183 mm) falls in the month.
Plan around October
October sits mid-table; the best months are July – September.
- The year's biggest cool-down: highs drop 7°C (12°F) from September.
- Comfort slips from 86/100 in September to 49/100.
- Our Seattle, Snoqualmie Pass & Leavenworth route is planned for Late Nov – Dec, a window set by the holiday season rather than the weather — October falls outside it.
What to pack for October
- Insulated jackethighs only 50°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Snoqualmie Pass in October
A mixed month: these picks balance outdoor stops with indoor fallbacks.
Twede's Cafe
North Bend diner that played the Double R in Twin Peaks, still serving cherry pie and coffee under Mount Si.
Northwest Railway Museum
Railway museum based in the 1890 Snoqualmie Depot, running its Santa Train to the falls on December weekends.
Snoqualmie Falls
A 268-foot waterfall on the Snoqualmie River, running at full force in the wet winter months.
Gold Creek Pond
Flat snowshoe loop around a mountain pond on the east side of the pass, reached from the Gold Creek Sno-Park.
Nearby in October
- Leavenworth in October~37 mi · highs 60°F, 3.2 in rain · 5°C (9°F) warmer by day, drier
- Seattle in October~45 mi · highs 59°F, 4.9 in rain · 5°C (9°F) warmer by day, drier
- Bainbridge Island in October~54 mi · highs 59°F, 4.9 in rain · 5°C (9°F) warmer by day, drier
- Olympic NP in October~105 mi · highs 44°F, 7.8 in rain · 4°C (6°F) cooler by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~1,198 m to Snoqualmie Pass's ~923 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Snoqualmie Pass in October: quick answers
Is October a good time to visit Snoqualmie Pass?
It's middling, scoring 49/100. The best months are July – September, at up to 98. Expect highs of 50°F (10°C) and 7.2 in (183 mm) of rain.
How cold is Snoqualmie Pass in October?
Average highs are 50°F (10°C) and average lows 37°F (3°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Snoqualmie Pass in October?
Yes: about 7.2 in (183 mm) of rain falls across October on average, the 5th-wettest month of the year. The annual total is about 69.4 in (1764 mm).
What should I pack for Snoqualmie Pass in October?
Bring insulated jacket (highs only 50°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Snoqualmie Pass
Planning Snoqualmie Pass in October?
Share this October plan with your group, poll everyone on dates and keep the packing list in one place.