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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Civic Insight weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Portmeirion’s weather today, as shown in the live forecast above, is typical for this Gwynedd coastal village: changeable and often breezy, with rain never far away. Nestled on the Dwyryd estuary, the microclimate here can shift quickly, so checking the hourly breakdown is wise before heading out.
What is the outlook for Portmeirion this week?
The coming days will see a mix of cloud and brighter spells, with the best chance of dry weather on Wednesday afternoon. The portmeirion weather 14 day trend suggests a return to more unsettled conditions by the weekend, with Atlantic fronts pushing in from the west. Temperatures will hover near seasonal averages, though the coastal breeze will make it feel cooler, especially along the promenade.
How does the local geography affect the forecast?
Portmeirion sits on the sheltered side of the Llyn Peninsula, but its position on the estuary means sea fog and low cloud can roll in without warning. The hills to the east often trap moisture, leading to patchy drizzle even when nearby Porthmadog stays dry. For a broader view, check the UK weather hub or compare conditions with Liverpool Weather across the Irish Sea.
Is the portmeirion weather bbc forecast reliable for this area?
The BBC forecast uses Met Office data, which is generally reliable for Gwynedd. However, Portmeirion’s coastal position can cause localised variations, so always cross-check with the hourly view above for the most current picture.
What will the portmeirion weather tomorrow be like?
Tomorrow is expected to start dry with sunny intervals, but cloud will thicken by midday. A band of light rain may arrive by late afternoon, with winds picking up from the southwest. The live forecast above gives the precise timing.
Where can I see a portmeirion weather hourly breakdown?
The live forecast above includes an hourly view for Portmeirion, showing temperature, wind speed and precipitation chance. For a longer outlook, the 10 Day Weather Forecast UK page provides a useful overview.