Avg High
Avg Low
Rain
Daylight 11h
What to expect

As autumn continues, October brings, where temperatures are dropping quickly. Daytime highs average 15°C / 58°F, dropping to 8°C / 46°F at night.

The atmosphere is generally mild but frequently damp, typical of changeable seasons.

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.

Does the weather change during October?

October usually begins milder and cools down as the month goes on, so late-October can feel more like the next month.

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.

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