Seattle

Seattle Greets September with Pleasant Skies, NWS Forecasts Mild Temps and Mixed Clouds

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Published on September 01, 2025
Seattle Greets September with Pleasant Skies, NWS Forecasts Mild Temps and Mixed CloudsSource: Google Street View

Seattle residents can expect moderate temperatures and periods of mixed clouds throughout the week. Forecasts indicate daytime highs will stay in the upper 70s to low 80s, marking a typical start to September, according to the National Weather Service.

Labor Day is expected to start cloudy before clearing to a high near 77 degrees, with light southwest winds around 5 mph. Evening conditions will bring increasing clouds and a low near 60 degrees. On Tuesday, the forecast calls for partly sunny skies turning clear with a high near 79 degrees and light north winds around 6 mph, as reported by the National Weather Service.

Seattle will see mostly sunny skies on Wednesday with a high near 82 degrees and light north winds in the afternoon. Nighttime temperatures will be partly cloudy with a low around 62 degrees. On Saturday, the forecast calls for partly sunny skies with a high near 78 degrees and mostly cloudy nights with lows near 61 degrees. On Sunday, conditions will be mostly cloudy with a high near 75 degrees, as stated by the National Weather Service.