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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the BritView weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out in Tywyn today – conditions along Cardigan Bay can shift quickly, so it’s worth knowing whether you’ll need a coat or sunglasses.
What’s the weather doing in Tywyn this week?
The live forecast above gives the most reliable picture for the next few days. Tywyn’s coastal position often means a breeze off the sea, so temperatures can feel cooler than inland Gwynedd. If you’re planning a longer trip, our 10-day UK outlook can help, or you can see the bbc weather tywyn 7 days summary on the BBC News site.
How does the sea breeze affect Tywyn?
The town sits on the shore of Cardigan Bay, so westerly winds bring fresh air and often low cloud or drizzle. On sunny days, a sea breeze can keep the coast a few degrees cooler than nearby hills – handy to remember if you’re walking the Wales Coast Path.
Is Tywyn usually windy?
Yes, because it faces the Irish Sea. Winds from the west and south-west are common, especially in autumn and winter. The live forecast above shows wind speed and gusts for the current day.
When is the best time to visit?
Late spring to early autumn (May–September) brings the mildest temperatures and least rain. Even then, pack a waterproof – sea showers can appear quickly.
Does the weather change quickly?
Very much so. Atlantic fronts come through fast, so bright conditions can turn cloudy within an hour. Keep an eye on the live forecast above or check bbc news for updates.