Seattle weather in October
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Seattle October weather at a glance
In October, Seattle averages 11.7°C, with typical highs of 15°C and lows of 9.2°C. The historical average is 15 wet days and 82% humidity.
Seattle October temperature & humidity
Seattle October rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Seattle in October
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeLong sleeves and a light jacket · average high 15°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 9.2°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Seattle October sunrise & sunset times
2026 October · Local time (America/Los_Angeles)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-10-01 | 07:09 | 18:48 | 11h 40m |
| 2026-10-15 | 07:28 | 18:21 | 10h 52m |
| 2026-10-31 | 07:52 | 17:53 | 10h 1m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Seattle
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
October weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Seattle weather like in October?
In October, Seattle averages 11.7°C, with typical highs of 15°C and lows of 9.2°C. The historical average is 15 wet days and 82% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Seattle in October?
There are about 15 wet days in October. Pack a rain jacket and water-resistant shoes.
What should I wear in Seattle in October?
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Seattle?
Recent weather data rates June, July, August, September among the more comfortable months.
Where can I check Seattle weather in October in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Seattle in October?
On 2026-10-15, calculated sunrise is 07:28 and sunset is 18:21 in local time (America/Los_Angeles). Times vary by date and terrain.
Seattle weather by month
More Americas destinations in October
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations