If you plan to visit Seattle in October, the weather is typically alright, with an average high temperature of +59°F during the day and approximately 3 sunny days. Expect some rainy, though, as there are typically 18 rainy days in the month and around 114 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+59°F
Avg. max. temperature
+32°F
Min.
+84°F
Max.
114 mm
Total precipitation
82%
Avg. humidity
2 m/s
Avg. wind
3 ☀️
Sunny Days
10 ⛅️
Cloudy
18 🌦
Rainy
Our opinion: Seattle has OK weather in October.
Average temperature in Seattle in October
Here are the expected maximum, average and minimum temperatures in Seattle for October based on the historical data.
Last Year
Historical Data
Going from a maximum of +81°F during the day to a minimum of +36°F during the night, the temperature in October averages around +63°F.
The average maximum temperature goes down 24% by the end of the month, compared with the beginning of the month, from +63°F to +52°F.
Is Seattle warm or cold in October?
Seattle is typically mild in October.
Maximum temperatures go down compared to the previous month from +70°F to +59°F. The minimum temperature also goes down from +54°F to +48°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Seattle:
Water temperature in Seattle in October
Water in Seattle in October is Cold. It varies from +49°F to +53°F, with an average of +51°F.This is almost similar to the air temperature, which averages +59°F.
The water temperature in October is one of the warmest of the entire year:
The warmest water temperatures in Seattle are reached in August, when the average sea temperature rises to +53°F. The coldest water temperatures are in February, with an average of +45°F.
Can you swim in Seattle in October?
We would not recommend swimming in Seattle in October, the water is very cold (+51°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Travel to Seattle
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✈️
0
Flights per week
$343
Min. Price
$343
Max. Price
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Climate in Seattle in October
Seattle weather looks like this, on average, in October and the surrounding months.
September
October
November
Avg. temperature
+70°F
+59°F
+50°F
Min. temperature
+41°F
+32°F
+12°F
Max. temperature
+91°F
+84°F
+64°F
Rainfall
62 mm
114 mm
177 mm
Wind
1 m/s
2 m/s
2 m/s
Avg. water temperature
+53°F
+51°F
+48°F
Humidity
76%
82%
85%
Air pressure
1015 HPa
1016 HPa
1016 HPa
Sunny days
7
3
1
Cloudy days
10
10
7
Rainy days
13
18
21
Snowy days
0
0
0
October weather is still as ok as in September.It’s getting colder in October. From +70°F in the day, the average maximum temperature lowers to +59°F.Prepare for more rain. Average rainfall goes from 62 mm to 114 mm.Humidity rises from 76% to 82%.Winds are stronger in comparison to September, going up from 1 m/s to 2 m/s on average.The days becoming less sunny, going from 7 sunny days in September to 3 in October.
Next month (November) brings a further decline in the weather.
Wind speed in Seattle in October based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Seattle is gradually increasing during October, going from 1 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during October in Seattle based on historical data.
Last Year
Historical Data
Typically, there is a 52% chance of rain on an average day in October, with total rainfall of approximately 115 mm. The maximum amount of rainfall per day is around 27 mm, which is moderate rain.October is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Seattle wettest month is November, where a typical day has a 70% chance of precipitation and 177 mm of rainfall per day. July, on the other hand, is the driest month with a mere 29% chance of precipitation and 28 mm of rainfall per day.
How was the weather last October in Seattle?
This is the weather in Seattle in October 2023:
1 October
☀️
+62°F
2 October
☁️
+62°F
3 October
☁️
+62°F
4 October
☁️
+65°F
5 October
☀️
+67°F
6 October
☀️
+72°F
7 October
☀️
+80°F
8 October
☀️
+77°F
9 October
☁️
+69°F
10 October
🌧️
+62°F
11 October
🌧️
+58°F
12 October
☁️
+62°F
13 October
☀️
+70°F
14 October
☁️
+68°F
15 October
☁️
+63°F
16 October
☁️
+62°F
17 October
☁️
+60°F
18 October
☀️
+71°F
19 October
☀️
+70°F
20 October
☁️
+67°F
21 October
☁️
+58°F
22 October
☁️
+57°F
23 October
☁️
+56°F
24 October
🌧️
+55°F
25 October
🌧️
+50°F
26 October
☁️
+51°F
27 October
☀️
+49°F
28 October
☀️
+50°F
29 October
☀️
+53°F
30 October
☀️
+54°F
31 October
☁️
+52°F
In October 2023 Seattle had 12 sunny days, 15 cloudy days, and 4 rainy days. The average maximum temperature was +63°F, with an absolute maximum of +81°F and a minimum of +50°F. The average humidity was 84%, with a maximum of 100% and a minimum of 47%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in October?
Climate Change Over the Years
This is how Seattle climate has changed over the last 43 years.
The climate in Seattle in October has not changed that much over the last 43 years.
The average temperature was the lowest in 2011 (+57°F) and the highest in 2014 (+62°F). The driest year was 1985 with only 714 mm of rainfall, and the wettest year was 2021 with 2549 mm.
FAQ
Frequently asked questions about the weather in Seattle in October:
Is October a good time to visit Seattle?
It’s always a good time to visit Seattle, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Seattle in October?
October has mild temperatures in Seattle. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Seattle in October?
Swimming in Seattle in October is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Seattle rainy in October?
Seattle is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Seattle in October?
Usually, it’s not very sunny in Seattle in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
How much does it cost to fly to Seattle in October?
The normal prices to fly to Seattle is $343 - $343. It means that the majority of our users have picked flights in this range. To find the best price we recommend you search early, using our flexible dates feature.
For this page, we’ve looked at the typical weather in Seattle, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
