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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Reviewly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Seattle’s weather is defined by mild, wet winters and warm, dry summers. The live forecast above shows current conditions and provides the seattle weather 14 day forecast, monthly averages, and hourly data for tomorrow. Expect frequent drizzle from November through March; summers bring clear skies and highs around 24°C.
What is the weather like in Seattle year round?
Seattle has a temperate marine climate. Winters are cool (8–10°C daytime highs) with persistent drizzle; snowfall is rare, averaging only a few days. Summers are pleasant, with low humidity and very little rain. Spring and autumn are transitional—moderate temperatures but variable cloud. For longer outlooks, the live forecast above also includes the weather in seattle 10 days and a seattle weather 30 day forecast.
Seattle weather by season
Winter (December–February) is the wettest period; December alone receives about 130 mm of rain. Spring warms slowly from March. Summer (June–August) is dry and sunny. Autumn cools gradually, with rain increasing by November. The live forecast includes weather in seattle tomorrow and seattle weather hourly for daily planning.
To explore other climates, visit the Australia weather hub or compare Seattle with San Diego weather.
Does Seattle really rain that much?
Yes, but mostly light drizzle. Seattle’s 940 mm annual rainfall is less than Sydney or Melbourne. Rain is frequent from October to April, but summer months see very little.
When is the best time to visit Seattle?
July to September offer the most reliable sunshine and warm temperatures, with low chance of rain. May and June can be good too, though mornings are often cloudy.
Does Seattle get snow?
Snow is uncommon in the city itself—average about 15 cm per year, usually light and melting quickly. Heavier snow falls in the Cascade foothills, a short drive east.