Seattle

Seattle's Autumn Weather Rollercoaster with Sunshine and Showers Ahead

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Published on October 04, 2025
Seattle's Autumn Weather Rollercoaster with Sunshine and Showers AheadSource: Wikipedia/Emmanuelkwizera, CC BY-SA 4.0, via Wikimedia Commons

As Seattle transitions into the heart of autumn, unpredictable weather is taking center stage. According to the National Weather Service in Seattle, the week will bring a mix of intermittent showers, alternating clouds and sunshine, and a gradual rise in daytime temperatures. This afternoon is expected to reach 64°F, accompanied by a 40 percent chance of rain after 11am, posing challenges for those planning outdoor activities.

The week’s weather remains unsettled, with tomorrow starting partly sunny before shifting to clear skies and reaching a high near 65°F. This tenuous balance hangs on a north wind blowing at 6 to 9 mph. At night the temperature will dip near 48°F, held in check by a gentle north-northeast breeze. These details, shared by the NWS, paint a picture of typical Pacific Northwest fall — teasing raindrops one moment, promising sunshine the next.

Moving into the workweek, Monday is slated to bring more sun and a high of around 68°F—a small but welcome respite for those with a case of the Mondays. Seattleites will be greeted by clear skies extending into Monday night, with a low circling around 49°F. The NWS has forecast that this clearing trend will surge into Tuesday, dialing up the thermostat to a comfortable high near 72°F under sunny skies.

However, the apparent tranquility is short-lived, as Wednesday introduces a chance of rain, mainly after 11am despite a mostly sunny outlook and a high near 66°F. "A chance of rain" persists through Wednesday night, with the barometer swinging towards partly cloudy conditions and a low hovering around 50°F. Come Thursday and Friday, the weather teeters, with the NWS positing "a slight chance of rain," accompanying temperatures that linger comfortably in the high 60s during the day and easing into the low 50s at night.