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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 ·
The live forecast above shows Porto’s current conditions, with daytime highs and overnight lows typical for this season. Porto’s Atlantic-influenced Mediterranean climate delivers mild, rainy winters and warm, dry summers, with average highs ranging from 14 °C in January to 25 °C in July.
What is Porto’s climate like year-round?
Porto weather by month reveals a clear seasonal rhythm. Winter (December–February) averages 8–14 °C with frequent rain; summer (June–August) sees 15–25 °C and long, sunny days. Spring and autumn are transitional, with moderate temperatures and occasional showers. The city receives about 1,250 mm of precipitation annually, mostly between October and April. For those checking weather in Porto 10 days or a porto weather forecast 30 days, the pattern is consistent: Atlantic fronts bring variability, but summers are reliably dry.
How does Porto compare to other Portuguese cities?
Lisbon porto weather differences are notable: Lisbon is warmer and drier year-round, especially in summer, while Porto’s northern location and proximity to the Atlantic make it cooler and wetter. For hourly details, a porto weather hourly check shows sea breezes moderating afternoon highs. Those searching “weather porto 15 days” or “porto weather 14 days” will find that extended forecasts remain reliable only a week ahead due to Atlantic systems.
When is the best time to visit Porto?
Late spring (May–June) and early autumn (September–October) offer pleasant temperatures (18–25 °C) and lower rainfall. July and August are hottest and driest but also busiest. For a balance of good weather and fewer crowds, May or September are ideal.
Does Porto get a lot of rain?
Yes, Porto is one of the wettest cities in mainland Portugal, averaging about 1,250 mm annually. Rain is concentrated from October to April, with December and January the wettest months. Summers are very dry, with July and August receiving less than 20 mm each.
How accurate are 14‑day and 30‑day forecasts for Porto?
Extended forecasts (porto weather 14 days or porto weather forecast 30 days) have low reliability beyond 7–10 days due to Atlantic weather systems. For trip planning, check the 10‑day outlook and update closer to your travel date. The live forecast above gives the most current picture.