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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 ·
Dolgellau weather today, based on the live forecast above, shows a daytime high of around 10–12 °C with a majority of cloud cover and light rain by mid-afternoon. Breezes stay light, under 10 mph, from the south-west. That means a damp but mild day for the town.
What is the BBC weather forecast for Dolgellau this week?
The week ahead, according to BBC Weather and the Met Office, keeps Dolgellau under a predominantly cloudy regime with patchy rain moving in from the Atlantic. Daytime highs hover between 9–13 °C; overnight lows drop to 4–7 °C. Wednesday looks the driest, while Thursday and Friday bring more persistent drizzle. The usual pattern for a Snowdonia valley in this season.
Met Office weather Dolgellau – what do the warnings show?
No severe weather warnings are currently active for the Dolgellau area. The Met Office outlook mentions occasional blustery conditions on higher ground, but for the town itself gusts remain below 30 mph. Always check the live forecast above if you are heading into the mountains; conditions at Cadair Idris can differ sharply from the valley.
Dolgellau 14 day forecast – how useful is it?
A BBC weather Dolgellau 14 day outlook can indicate broad trends – likely unsettled with rain at times – but reliability drops sharply after day 7. For a 21 day weather forecast Dolgellau, treat it as a general pattern guide, not a detailed plan. Stick to the 5‑day live forecast above for decisions.
Is Dolgellau often wetter than the rest of Wales?
Yes. Dolgellau sits in the rain shadow of Cadair Idris while also receiving Atlantic fronts. Annual rainfall averages around 1,300–1,600 mm, higher than coastal Gwynedd but lower than the Snowdon massif.
Can I use bbc weather for hill walking near Dolgellau?
Use the live forecast above alongside the Met Office mountain weather forecast. Valley cloud can lift quickly; if the forecast shows 60%+ rain and low cloud base, postpone high‑level routes. Check bbc news for road closures if rivers rise.
Does the forecast change much from day to day?
Frequently. Atlantic low‑pressure systems move fast across Gwynedd. The live forecast above updates every 3–4 hours, so check on the morning of your outing rather than relying on last week’s prediction.
Explore UK weather hub for other towns, or see the 10 Day Weather Forecast UK for a national overview. For comparison, check Bristol Weather – typically milder and drier than Dolgellau.