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Seattle weather: Warm start to July

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Published  July 1, 2025 12:49pm PDT
Weather Forecast
FOX 13 Seattle
High pressure system brings warm start to July in Seattle

High pressure system brings warm start to July in Seattle

FOX 13 Seattle Chief Meteorologist Brian MacMillan has your 7-day forecast.

The Brief

    • The Puget Sound area will experience sunny and warmer-than-average weather Tuesday, with highs in the mid 80s, while the coast remains cooler in the 60s.
    • A Heat Advisory is in effect east of the Cascades, with temperatures expected to exceed 100 degrees in many areas.
    • Increasing onshore flow will bring more clouds and cooler temperatures in the mid 70s on Wednesday and Thursday, with the 4th of July forecast to be mostly sunny and near 75 degrees.

SEATTLE - Sunny and warmer than average weather continues in the Puget Sound area Tuesday.

A ridge of high pressure over the Pacific Northwest will bring another hot day to the Seattle metro area. Highs will be back into the mid 80s. The cool spot will be the coast, which will see more onshore flow and temperatures in the 60s this afternoon.

A map showing the high temperatures forecast in Western Washington Tuesday.

It will be a warm and sunny Tuesday in Western Washington. (FOX 13 Seattle)

Will there be a heatwave in WA?

Big picture view:

A Heat Advisory is in effect Tuesday east of the Cascades, with temperatures over 100 degrees expected in many locations.

A map showing at heat advisory in effect for central and eastern Washington.

A Heat Advisory is in effect for Central and Eastern Washington Tuesday. (FOX 13 Seattle)

Increasing onshore flow will bring more cloud cover to the area on Wednesday and Thursday. High temperatures will drop into the mid 70s, which is still very comfortable.

A map showing the forecast clouds for Western Washington.

Onshore flow will bring more clouds into the Puget Sound area Wednesday morning. (FOX 13 Seattle)

The Fourth of July holiday will be perfect, with highs near 75 degrees and mostly sunny skies.

Enjoy this beautiful weather!

The 7 day forecast for the greater Seattle area.

It will be a warm and sunny first week of July in Seattle. (FOX 13 Seattle)

The Source: Information in this story comes from weather models interpreted by FOX 13 Seattle Chief Meteorologist Brian MacMillan.

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