Seattle Weather: Spring-like end the to weekend

Published October 4, 2026 11:15 AM PDT

A very foggy start to our Sunday morning.  A dense fog advisory was issued as visibility fell below ¼ of a mile.  Fans heading to today's game will need their shades as sunnier skies will be out once the low clouds burn off shortly after kickoff. 

It's Seahawks Sunday! Foggy skies turning sunny.

Morning fog will burn off with sunnier skies by early afternoon. 

A mild afternoon with spring-like highs in the 70s around the region today.  The warmth will be short-lived as the high pressure ridge weakens by Monday.  Overnight lows will again be mild with lows mostly in the low 50s. 

Forecast highs around Western Washington on Sunday.

Spring-like afternoon highs in the 70s today with some even in the close 80.  (FOX13 Seattle)

Onshore flow will increase by early Monday with another round of fog developing overnight.  More clouds will stick around during the day with skies becoming partly cloudy as we kick off the workweek. 

Foggy skies overnight into Monday morning.

Low clouds move back into the region late Sunday night.  (FOX13 Seattle)

As the ridge of high pressure flattens, we see an increase of onshore flow leading to more clouds and afternoon high cooling to near normal.  Light rain returns by Friday evening into early Saturday. 

Extended forecast for the Seattle metro area.

Afternoon high cool to near normal with light rain by Friday evening. 

The Source: Information for this story came from the FOX 13 Seattle Weather Team. 

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