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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
If you’re heading to Seattle, expect a mild, damp climate year-round, with the best months being July through September when rainfall is low and temperatures sit comfortably in the low 20s Celsius. The live forecast above gives you the current conditions, but for planning, think layers and a waterproof jacket.
What is the best time to visit Seattle?
Summer, from June to early September, offers the most reliable weather with long, dry days averaging 22–26°C. July and August are peak season, so book ahead. If you prefer fewer crowds and lower prices, May and September still deliver decent conditions. Winter (December–February) is cool and wet, but the city feels cosy; just bring a warm coat and umbrella.
What should you pack for Seattle weather year round?
A light to medium waterproof jacket is essential any month. In summer, add T-shirts, shorts and sunscreen. From October to April, pack a warm jumper, jeans and sturdy shoes for rain. Snow is rare in the city itself, but a scarf and gloves help when the wind picks up. Layers are your friend because Seattle can shift from cool morning to mild afternoon.
Frequently asked questions about Seattle weather
Does it rain every day in Seattle?
No. Seattle sees about 150 rainy days a year, but summer months often have long dry spells. Winter rain is frequent but usually light drizzle rather than heavy downpours, so a good jacket is more important than an umbrella.
How accurate is the Seattle 14 day forecast?
A 14-day forecast gives a useful trend for temperature and rain chances, but day-to-day accuracy drops after about 7 days. For your travel plans, check both the live forecast above and the 7-day outlook for better reliability.
Does Seattle get snow?
Light snow falls once or twice most winters, but significant accumulation is uncommon. The surrounding mountains, however, get heavy snow so you can easily drive to ski fields within an hour. Check the Severe Weather Warning page for winter alerts.
For other destinations, see Australia weather hub or compare with San Diego Weather for a drier alternative. If you need details on hourly conditions, check Bangkok Weather for a very different climate.