Seattle weather: Mostly sunny Thursday, highs in the 70s

Published June 11, 2026 4:00 AM PDT

Seattle weather peaks with potentially record-breaking heat Sunday and Monday before cooling toward more comfortable levels by Wednesday. (FOX 13 Seattle)

A few morning clouds to start Thursday, but plenty of sunshine is expected with warmer afternoon temperatures.

Seattle weather heats up rapidly this weekend as offshore winds and a thermal trough drive temperatures well above average.

Seattle weather may approach record highs Sunday and Monday while elevated fire danger develops across Western Washington. (FOX 13 Seattle)

What's next:

With light onshore flow, temperatures Thursday will stay in the low to mid 70s before warming up this weekend. Highs along the coast and in the north interior will stay in the 60s. Highs in Wenatchee will warm back into the 80s.

Today's Highs

With light onshore flow, temperatures Thursday will stay in the low to mid 70s before warming up this weekend.  (FOX 13 Seattle)

Temperatures will increase into the upper 70s to 80s for the weekend and high pressure builds and offshore flow increases. We could see a new record high in Seattle on Monday, reaching the low 90s.

Seattle weather turns significantly warmer after a seasonable day today as highs climb from the 70s into the 90s by early next week.

Seattle weather reaches its hottest levels Sunday and Monday before temperatures gradually ease later in the week. (FOX 13 Seattle)

Looking Ahead:

Hot, dry and sunny skies will stick around this weekend and into early next week. Fire danger will increase as we get into early next week, so we will be watching for elevated fire risks. Onshore flow returns Wednesday, cooling highs back to the mid 70s with a few more clouds.

Seattle weather remains sunny and dry through the forecast period with only minor morning fog possible Friday near the coast and inland waters.

Seattle weather peaks with potentially record-breaking heat Sunday and Monday before cooling toward more comfortable levels by Wednesday. (FOX 13 Seattle)

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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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