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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Morning Times weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The Met Office forecast for St Austell shows a mild and often cloudy day, with the live forecast above indicating the current conditions. The coastal town is set for a spell of mostly dry weather through the coming week, with temperatures near the seasonal average for late autumn.
What is the weather in St Austell like today and tomorrow?
According to the live forecast above, St Austell will see variable cloud cover with occasional brighter spells. Winds will be light to moderate from the southwest. For the weather in St Austell tomorrow, expect similar conditions: a mix of cloud and some hazy sunshine, with the chance of a light shower drifting in from the Cornish coast. Maximum temperatures should reach around 11–12°C, feeling cooler in any breeze.
What is the outlook for the next 10 to 14 days?
For the weather in St Austell 10 days and beyond, high pressure is likely to dominate, keeping conditions mostly settled. A weak weather front may bring thicker cloud and a few spots of rain around the middle of the period, but nothing prolonged. The bbc weather st austell 14 days outlook generally points to drier-than-average weather for this time of year, with overnight lows around 6–8°C.
Will it rain in St Austell this week?
Rainfall is expected to be light and infrequent. Most days will remain dry, though the bbc weather st austell service notes a slight chance of drizzle on Tuesday morning.
How accurate is the 21 day weather forecast for St Austell?
Long-range forecasts, including the 21 day weather forecast st austell met office accuweather, are based on ensemble models and give a general trend rather than daily specifics. Reliability drops significantly after 10 days.
Is the wind strong enough to affect coastal walks near St Austell?
Wind speeds will remain manageable for most walks, typically 10 to 15 mph. Exposed stretches of the South West Coast Path near Carlyon Bay or Charlestown could feel breezier but are not hazardous under the current forecast.
For a broader look at conditions, check our UK weather hub or the 10 Day Weather Forecast UK page. Cornwall’s weather can change quickly, so also refer to Met Office and BBC Weather for the latest updates. The accuweather st austell data, and the met office st austell weather page, remain useful additional sources for planning outdoor activities.