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Mid-autumn · Weather & things to do

Seattle in October

Seattle cools off: highs slip to 59°F (15°C), from 69°F in September, with lows of 45°F (7°C) and about 4.9 in (125 mm) of rain.

Our comfort score puts it mid-table at 69/100, 6th of 12.

Seattle, Washington, United States
Avg high
59°F (15°C)
Avg low
45°F (7°C)
Rain
4.9 in (125 mm)
Humidity
84%
Cloud cover
68%
Daylight
~10 h 35 min
Comfort score
69/100 · Good

What October feels like

Days are mild at around 59°F (15°C): comfortable for walking all day, with a layer for the evening.

After dark, temperatures fall to about 45°F (7°C).

Expect regular rain: about 4.9 in (125 mm) falls in the month.

Seattle: October compared with the months either side
SeptemberOctoberNovember
Avg high69°F21°C59°F15°C50°F10°C
Avg low52°F11°C45°F7°C39°F4°C
Rain2.3 in58 mm4.9 in125 mm7.4 in188 mm
Daylight12 h 19 min10 h 35 min9 h 01 min
Comfort906943

Plan around October

October sits mid-table; the best months are June – September.

What to pack for October

What to do in Seattle in October

October is good outdoor weather here, so these picks lean toward the open air.

Nearby in October

These averages also cover Pike Place Market & Waterfront and Seattle Center & Queen Anne.

NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.

Seattle in October: quick answers

Is October a good time to visit Seattle?

It's middling, scoring 69/100. The best months are June – September, at up to 90. Expect highs of 59°F (15°C) and 4.9 in (125 mm) of rain. Our Pacific Northwest route recommends Jun – Sep, so October is outside its suggested window.

How cold is Seattle in October?

Average highs are 59°F (15°C) and average lows 45°F (7°C), making it the 6th-warmest month by daytime highs.

Does it rain a lot in Seattle in October?

Yes: about 4.9 in (125 mm) of rain falls across October on average, the 5th-wettest month of the year. The annual total is about 48.4 in (1230 mm).

What should I pack for Seattle in October?

Bring a warm layer for evenings (nights drop to 45°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).

Planning Seattle in October?

Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.

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