Seattle/ Weather & Environment

Seattle Basks in Sunny Streak Before Gray Skies Creep Back Next Week

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Published on September 18, 2026
Seattle Basks in Sunny Streak Before Gray Skies Creep Back Next WeekSource: M.O. Stevens / Wikimedia Commons

Seattle is waking up to partly cloudy skies Friday, but the forecast quickly turns brighter, with afternoon temperatures climbing into the low 70s. The city should stay dry through the weekend, making it a late-summer stretch when outdoor plans do not require a backup plan.

Sunny Friday Leads Into A Mild Weekend

Friday will be sunny with a high near 73 degrees and south to southwesterly surface winds of 4 to 8 knots, according to the National Weather Service. Morning lows will be in the upper 40s to low 50s, and stratus will return overnight.

Saturday will be partly sunny with a high near 71, followed by a mostly clear night and a low around 54. Sunday looks similarly comfortable, with mostly sunny skies and another high near 71 degrees.

Clouds Build As Next Week Turns Cooler

Monday will remain mostly sunny with a high near 70, but clouds will become more noticeable starting Monday night. Tuesday should be partly sunny and cooler, with a high near 67, while Wednesday stays mostly cloudy with a high around 66.

Rain is not a major concern in the near term, though rain chances begin increasing in the forecast midweek. The broader weather pattern may become more unsettled later next week, so Seattle's sunny run could be nearing its expiration date.