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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the ScopePress weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Porthmadog currently experiencing mild, changeable conditions typical of its coastal Gwynedd location, with temperatures ranging from 8°C to 14°C and frequent rain bands moving in from the Irish Sea. This means you can expect a damp, breezy day with brief brighter spells between showers.
What is the weather in Porthmadog like this week?
Based on the live forecast above, the next 7 days bring a consistent pattern of low pressure: daytime highs hover near 12°C, with overnight lows around 6°C. Winds from the southwest gust to 25–35 mph on Tuesday and Wednesday, easing slightly by the weekend. The weather porthmadog 7 days outlook shows rain most persistent on Tuesday night and Thursday afternoon, with drier interludes on Saturday morning. For a longer view, the weather porthmadog 14 day forecast suggests unsettled conditions continuing, typical for autumn on the Cambrian Coast.
Will the weather in Porthmadog be dry tomorrow?
No, the weather in porthmadog tomorrow features a 70% chance of rain by midday, with heavy bursts likely during the afternoon high tide period. The bbc weather porthmadog models agree on a brisk southwesterly wind making conditions feel cooler than the 11°C air temperature. If you’re planning outdoor activities, aim for the early morning window before 10am. For a broader perspective, check the 10 day weather forecast uk for regional trends.
What is the BBC weather Porthmadog 7-day forecast?
The bbc weather porthmadog 7 days forecast shows a series of Atlantic lows bringing rain on 4 of the next 7 days, with highs of 13°C on Friday and a dry but cloudy Sunday. Winds remain moderate, rarely dropping below 15 mph.
Is there a Porthmadog weather 21-day outlook?
A reliable porthmadog weather 21 days forecast is not available from standard sources; long-range models suggest a 60% chance of continued unsettled conditions into the third week, with temperatures near the seasonal average of 10°C.
Where can I find the Met Office weather Porthmadog report?
The weather porthmadog met office report is the official source for warnings and detailed hourly data. It currently highlights a yellow rain warning for Thursday due to potential localised flooding near the Glaslyn estuary.