Seattle weather in October
Seattle in October averages 12°C (53°F) and 99 mm of rain.
Of the twelve months in Seattle, October is the sixth warmest and the fifth wettest.
- Average temp
- 12°C (53°F)
8–15°C · 47–60°F
- Rainfall
- 99 mm
Showers likely
- Sunshine
- —
- Wind
- 12 km/h
What is Seattle like in October?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Seattle in October?
A light rain jacket
About 99 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 8°C (47°F).
October compared with September and November
October in Seattle is 4.9°C cooler than September and 58 mm wetter than it, which averages 17°C (62°F).
October in Seattle is 4.1°C warmer than November and 60 mm drier than it, which averages 8°C (46°F).
Daylight in Seattle in October
On 15 October the sun is up for 10 hours 51 minutes in Seattle, rising about 07:29 and setting about 18:19 local time.
October ends 1 hour 39 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 5 hours 7 minutes short of June, the longest-lit month here.
Where to stay in Seattle
Dates are a starting point for October.
Travel guides for Seattle
What to read before you book.
Seattle weather by month
TemperatureRainfall
How October compares with the rest of the year
October is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 42°F | 147 mm |
| February | 6°C / 43°F | 96 mm |
| March | 8°C / 46°F | 106 mm |
| April | 10°C / 51°F | 81 mm |
| May | 14°C / 57°F | 48 mm |
| June | 16°C / 62°F | 37 mm |
| July | 19°C / 67°F | 15 mm |
| August | 19°C / 67°F | 25 mm |
| September | 17°C / 62°F | 41 mm |
| October | 12°C / 53°F | 99 mm |
| November | 8°C / 46°F | 160 mm |
| December | 5°C / 41°F | 147 mm |
Similar weather in October
Other destinations whose October averages sit close to this one.
Check another month
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FAQs about Seattle in October
October climate averages for Seattle, 1991–2020.
Seattle averages 12°C (53°F) in October, ranging from about 8°C (47°F) at night to 15°C (60°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 99 mm falls across October, enough to need a light jacket but not enough to reshape a trip.
Yes. October averages 12°C (53°F) against 8°C (46°F) in November — 4.1°C warmer.
October is 4.9°C cooler than September, and 58 mm wetter.
Yes. October falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what October is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 10 hours 51 minutes of daylight in mid-October, against 15 hours 58 minutes in June and 8 hours 27 minutes in December.
On 15 October, sunrise is about 07:29 and sunset about 18:19 local time. Both shift across the month — the month ends 1 hour 39 minutes shorter than it starts.
