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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the UK Bullet weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Barry Island currently sees conditions shaped by the live forecast above. Being a south‑Wales coastal resort, its weather is typically milder than inland areas but can change quickly as Atlantic systems move in.
What is the weather like in Barry Island today?
The live forecast above gives the most immediate picture. In general, Barry Island experiences a temperate maritime climate, with cool winters and mild summers. Winds off the Bristol Channel can make it feel cooler, especially in spring and autumn. For a detailed look at the rest of the week, check the 10‑day forecast for Barry Island.
When is the best time to visit?
Many visitors prefer late spring to early autumn, when daytime highs are often between 15 and 20°C. The beach and promenade are busiest in July and August, but the weather can still be unsettled. If you’re after consistent warmth, the 21‑day outlook for Barry Island (available via the UK weather hub) can help you choose a window with fewer rain days.
Is Barry Island very windy?
Yes, it can be. The exposed coastal location means brisk southwesterly winds are common, especially in autumn and winter. Winds often ease during summer months, but even then sea breezes pick up by midday.
What is the water temperature like?
Sea temperatures at Barry Island are at their warmest in August, reaching roughly 16–18°C. By winter they drop to around 8–10°C. Swimmers should check the live conditions above.
Does it rain frequently?
Rain is fairly evenly spread, but there are more wet days from October to January. For a quick idea of the next week, the BBC Weather Barry 7‑day forecast (included in the live data above) is a reliable guide.