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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 ·
The weather on Arran is often changeable, as the live forecast above shows. This island in the Firth of Clyde enjoys a mild maritime climate but can see rain at any time, with the west coast generally drier than the mountainous east around Goatfell.
What does the week ahead bring for Arran?
For a detailed look, check the BBC Weather forecast for Arran above. Tomorrow and the next few days will likely follow the pattern you see – perhaps a mix of cloud and sunny spells, with a chance of showers, especially over high ground. For a longer view, the weather Arran 14 days outlook and weather Arran 7 days update from the Met Office can help you plan walks or ferry crossings. You can also refer to our 10 Day Weather Forecast UK page for broader trends.
What about the weather on Arran for the rest of the month?
The weather in isle of Arran 10 days and beyond is harder to call, but the BBC Weather Arran 14 days product is a solid guide. Typically, the island sees its best spells in late spring and early autumn, with the live forecast above your best real-time reference.
Is Arran’s weather very different from the mainland?
Not drastically, but the island can create local effects. The high ground often captures more cloud and rain, while coastal areas may be milder. If Glasgow has a rainy spell, Arran will likely see it too – check the Glasgow Weather page for comparison.
When is the best time to visit Arran for good weather?
Late spring to early autumn (May–September) offers the best chance of mild, dry spells. July and August are warmest but also busiest. For hill walking, June often has longer daylight and more settled conditions.
Does Arran get snow in winter?
Yes, the higher hills like Goatfell often see snow in winter, but lower levels rarely get prolonged cover. The island’s mild coastal climate usually means snow doesn’t stick for long – check the live forecast above for current conditions.
For more UK-wide forecasts, visit our UK weather hub or check the 10 Day Weather Forecast UK page.