Avg High
Seattle in October
Verdict
In Seattle, October has a distinct autumn feel. As the season moves along, temperatures are dropping quickly. You can usually expect a cool month that feels variable day to day. It often has a mild but frequently damp, typical of changeable seasons feel, especially for outdoor plans.
It suits travellers who want straightforward weather for sightseeing and day trips. Lookouts and coastal walks can feel sharper when the wind is up.
Avg Low
Rain
Daylight
11h
What to expect
- Daytime feel - Cool days with a gentle drop-off once the sun goes down. It can feel cooler than the thermometer suggests.
- Showers & dry spells - Rain is a constant possibility. Expect damp surfaces and slick paths. Outdoor plans benefit from flexibility.
- Midday sun - Moderate sun. You'll feel fine, but it's still easy to get caught out. This is a 'don't forget the hat' month.
- Breezes - Refreshing breezes, and umbrellas and loose items can struggle on gustier days. On the water or higher ground it feels stronger.
October in context
How it compares to the rest of the year in Seattle.
Hottest (avg)
#6 / 12
Wettest (avg)
#5 / 12
Daylight Hours
#8 / 12
Windiest (avg)
#7 / 12
Highest UV
#8 / 12
Most Humid
#4 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 10.8 hours
- UV index (max)
- 4
- Typical sun hours
- 06:29 – 17:19
Rain & Snow
- Total
-
- Rainy days
- 16
- Cloud cover
- 67%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 82%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is October a good time to visit Seattle?
Typical October days in Seattle reach highs of 15°C (59°F) with nights around 8°C (46°F). It usually feels cool by day and cold after dark. Overall, October sits in the middle of the Seattle climate range.
What are temperatures like in October?
Daytime temperatures in October typically peak near 15°C (59°F), while nights drop to around 8°C (46°F). Expect cool afternoons and cold evenings.
How much does it rain in October?
Rainfall in October averages 132 mm (5.2 in) across roughly 16 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in October?
You can expect about 11 hours of daylight in October. Sunrise is typically around 06:29 and sunset near 17:19. Days are on the shorter side, so plan activities around limited daylight.
How strong is the sun in October?
UV levels are moderate (around 4); sunscreen and sunglasses are still a good idea.
Is it windy in October?
In October, average wind speeds are around 10 km/h (6 mph), with gusts on the windiest days reaching about 55 km/h (34 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.