Temperature in Washington State in October

Daytime highs, nighttime lows and the warmest cities in Washington State, the United States of America this October.

Washington State, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in October ranging from 3°C (37°F) in Mount Rainier National Park to 19°C (66°F) in Kennewick. Nighttime temperatures generally drop to 6°C (43°F) in Kennewick and -6°C (21°F) in Mount Rainier National Park .

What is the temperature of the different cities in Washington State, the United States of America in October?

Discover the typical October temperatures for the most popular locations of Washington State on the map below. Detailed insights are just a click away.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Washington State, check out our Washington State's climate page.

See also: Washington State weather by month.

Best Places to Visit in Washington State in October

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Washington State.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in October: blue is cold, red is hot.

See all October weather averages, cities and regions in Washington State

Washington State temperatures in October: frequently asked questions

How hot does it get in Washington State, the United States of America in October?

Daytime temperatures in Seattle typically peak at 16°C (61°F) in October, putting it in the moderate range.

How cold does it get at night in Washington State, the United States of America in October?

Seattle sees nighttime lows close to 8°C (46°F) in October.

What is the warmest city in October in Washington State, the United States of America?

Data insights from our comprehensive database indicate that Kennewick is the city with the highest warmth. Daytime peaks average near 19°C (66°F), while the nights are characterized by a low temperature close to 6°C (43°F).

What is the coldest city in October in Washington State, the United States of America?

For the month of October, Mount Rainier National Park is the most temperate city in Washington State, the United States of America based on our records. Highs average 3°C (37°F) and nighttime temperatures dip to around -6°C (21°F).

How much sun does Washington State, the United States of America get in October?

Across Washington State, the United States of America, sunshine in October ranges from moderately sunny in Bellingham (125 hours) to sunny in Spokane (192 hours).

Interested in more climate information?

We have much more information about the climate in Washington State.

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