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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for today’s rain probability and temperature range—Portland’s typical Pacific Northwest pattern means you’ll likely need a waterproof jacket, especially between October and May, when the city receives most of its annual precipitation.
What is Portland’s weather like year-round?
Portland has a mild Mediterranean-influenced climate with cool, wet winters and warm, dry summers. Average highs in January hover near 8–10°C, while July afternoons reach about 26–28°C. The city sees roughly 900–1000 mm of rain annually, mostly falling from November through March. Snow is rare, with only a few light dustings most winters. For a detailed look at seasonal patterns, see our Canada weather hub for similar West Coast comparisons.
How reliable are the 14-day, 15-day and 30-day forecasts for Portland?
Long-range forecasts (14-day, 15-day and 30-day) for Portland have moderate accuracy due to the influence of marine air from the Pacific. The portland weather 14 day forecast accuweather and similar services can give a broad trend, but day-to-day precipitation timing often shifts. For the most reliable short-term outlook, check the live forecast above or a local source like KGW. You can also compare with our Vancouver Weather page, given the shared climate zone.
Does Portland get snow?
Snow is uncommon but possible one to three times each winter, typically accumulating less than 5 cm. Major snow events that close the city happen roughly once a decade. Check a portland weather snow alert if you plan winter travel.
When is the best time to visit Portland for sunny weather?
July through September offer the warmest, driest conditions, with July highs near 28°C and little rain. Spring (April–June) is cooler but still pleasant, while November–February are the wettest months.
How does Portland weather compare to Vancouver’s?
Both have mild, rainy winters and warm summers, but Portland is slightly hotter in summer (about 2–3°C) and may have a bit less winter rain. Vancouver tends to be cloudier. For Vancouver details, see our Vancouver weather page.