Seattle - Five-Day Weather ForecastSeattle ClimateWith only 55 days of sunshine a year, you can expect to see some fog, mist or cloud. The Pacific Northwest's climate is best between June and September. Spring and fall can also provide fine weather although it does rain more here than just about anywhere else in the U.S.A.. In winter, snow in the nearby mountains provides excellent skiing. Winter temperatures are around 50 degrees Fahrenheit (10 degrees Celsius), summer: between 75 and 85 degrees Fahrenheit (25 to 30 degrees Celsius).
Seattle Climate Chart