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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the StoryShift weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
St Austell’s weather is mild and damp year-round, with the Met Office recording an average annual rainfall around 1,000 mm. The live forecast above shows today’s conditions; for the most accurate minute-by-minute updates, check the official Met Office St Austell feed.
When is the best time to visit St Austell?
Late spring (May–June) and early autumn (September) offer the best balance of sunshine and fewer crowds. July and August are warmest but busiest with school holidays; winter months are quiet but wet. For swimming, sea temperatures peak in August.
What should I pack for St Austell?
Layers are essential: a waterproof jacket, sturdy walking shoes, and sun cream even on cloudy days. Even in summer, a light fleece helps against the sea breeze. In winter, add a warm coat and hat – the wind off the Atlantic can feel sharp.
Is St Austell wetter than the UK average?
Yes – the town receives about 1,000 mm of rain annually, roughly 20 % more than the UK average. The south-westerly position pulls in Atlantic weather systems, so drizzle is common even in summer.
What’s the weather in St Austell tomorrow?
For the weather in St Austell tomorrow, the live forecast above gives a detailed outlook, or you can check BBC Weather St Austell for hourly updates. It is usually mild with a chance of showers – prepare for changeable conditions.
Where can I find a 21‑day forecast for St Austell?
A 21‑day weather forecast for St Austell is speculative, but you can view long‑range trends on AccuWeather St Austell pages. For the most reliable week‑ahead outlook, use the Met Office St Austell weather feed or the 10‑day forecast on this site.
For more UK travel planning, see our UK weather hub or the 10‑day weather forecast for the whole of Britain.