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Live forecasts update automatically; written guidance last reviewed 13 June 2026 by the Insight Britain weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Dunoon’s current conditions, hourly breakdown and 10-day outlook. This guide explains how to interpret that data, what to expect from the local climate, and how the Firth of Clyde shapes the weather you will experience.
How should you read the live forecast above for Dunoon?
The live forecast above includes a current conditions panel showing temperature, wind speed and direction, and precipitation probability. The hourly tab reveals how conditions change through the day, while the 10-day tab gives a longer view. Pay attention to the wind icon – Dunoon can be breezy – and the rain symbol, which is frequent. Use the “Feels like” temperature to gauge what it will actually be like outside.
What is Dunoon’s typical climate through the seasons?
Dunoon has a temperate maritime climate, heavily influenced by the Atlantic Ocean. Winters are mild, with daytime highs often in single figures, and frost is rare near the coast. Summers are cool, with highs rarely climbing much above the high teens. Rainfall is spread throughout the year, with autumn and winter the wettest. Wind is a constant feature, especially from the south-west, and strong gusts are common in exposed spots.
How do local geography and the Firth of Clyde affect Dunoon’s weather?
Dunoon sits on the Cowal Peninsula, facing the Firth of Clyde. The surrounding hills force moist Atlantic air to rise, creating frequent cloud and rain – a phenomenon known as orographic rainfall. The Firth itself can produce sea breezes and local fog patches. The town’s sheltered bay offers some protection, but the wider landscape means conditions can change quickly; a sunny morning may turn into a drizzly afternoon.
When is the best time to visit Dunoon and what should you pack?
Late spring (May) through early autumn (September) offers the best balance of milder temperatures and longer daylight. Even then, rain is likely. Pack a waterproof jacket and trousers, layers (fleece or jumper), and sturdy, comfortable shoes that can handle wet ground. A windproof shell is useful, and sun protection is not forgotten – UV can still be strong on clear days. Binoculars are handy for spotting wildlife on the Firth.
Which nearby areas do readers also check?
If you are planning a trip or comparing conditions across the region, the following local forecasts are often consulted alongside Dunoon: Greenock weather, Helensburgh weather, and Largs weather. You can also check Dumbarton, Erskine, and Clydebank for a broader picture of the Clyde area.
What is the weather in Dunoon tomorrow?
Check the “Tomorrow” tab in the live forecast above. Typically, conditions will be similar to today but can shift quickly. Expect a mix of cloud, occasional rain, and moderate south-westerly winds. Always recheck the forecast in the morning, as local features can bring surprises.
What is the 10-14 day outlook for Dunoon?
Long-range forecasts are general. For Dunoon, the outlook often shows a continuation of unsettled westerly patterns, with rain or showers at times and near‑normal temperatures. Confidence decreases after about a week, so use the 10-day tab as a guide rather than a guarantee.
Does it rain a lot in Dunoon?
Yes. Dunoon’s western-facing position and surrounding hills mean it receives well over 1,500mm of rain annually, making it significantly wetter than the UK average. Showers are frequent even in summer, but there are also spells of dry, bright weather, particularly in spring.
Is Dunoon very windy?
Dunoon can be windy, especially when Atlantic low‑pressure systems move in. Autumn and winter see the strongest gusts. However, the town’s bay offers some shelter; exposed spots like Castle Hill or the pier can feel noticeably breezier. Always check the wind speed in the live forecast.