Seattle weather: Mostly sunny and warmer afternoon Thursday

Published August 20, 2026 4:00 AM PDT

A foggy start to the day for some areas as onshore flow brings another push of morning clouds. Plenty of sunshine by midday into the afternoon with warmer afternoon temperatures. 

Morning Fog Thursday

A foggy start to the day with onshore flow bringing a push of morning clouds. 

What's next:

Thursday will see some of the warmest temperatures of the week, reaching the upper 70s to mid 80s. Highs reaching the mid 90s for central Washington. Fire danger will increase east of the Cascades as we start to see critical burn environments with hot and dry conditions. 

Today's Highs

Thursday will see some of the warmest temperatures of the week, reaching the upper 70s to mid 80s. 

Thunderstorms possible this weekend

We will see increasing clouds as our next offshore system approaches, which will increase thunderstorm potential. There will be a chance of storms for most of the state through Saturday.

Thunder Storm Chances

We will see increasing clouds as our next offshore system approaches, which will increase thunderstorm potential.

Looking ahead to Saturday, we start to see better chances of showers and thunderstorms for the lowlands. Storm potential and showers continue into the evening hours. 

Saturday AM Storms

Looking ahead to Saturday, we start to see better chances of showers and thunderstorms for the lowlands. 

Skies will start to calm down and clear out into Sunday, with high pressure returning to the Pacific Northwest. A mild start to next week with highs around the seasonal average. 

Seattle Extended

Skies will start to calm down and clear out into Sunday, with high pressure returning to the Pacific Northwest. 

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The Source: Information in this story came from the FOX 13 Seattle Weather Team and the National Weather Service.

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