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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 ·
Check the live forecast above for Carbis Bay before heading out – conditions shift quickly along this exposed stretch of Cornwall’s Atlantic coast, where sea fog and sharp showers can arrive without warning. The live forecast gives the most reliable view for the next few hours.
How does the Atlantic affect Carbis Bay weather?
Carbis Bay sits on St Ives Bay, open to south-westerly winds that bring moist, mild air from the ocean. This keeps winter temperatures above freezing most nights, but also fuels frequent cloud bands and the odd squall. The met office weather carbis Bay data typically shows a narrower daily temperature range than inland Cornwall.
What should visitors pack for a day at Carbis Bay?
Even in summer, a breeze can make the beach feel cooler than the forecast suggests. Layers and a windproof jacket are sensible. For coastal walks, sturdy footwear helps on the South West Coast Path sections near the bay.
Is Carbis Bay weather much different from St Ives?
Very similar – they share the same bay, but local topography can cause slight variations in cloud and wind. Check the live forecast above for precise differences between the two spots.
How reliable are Met Office forecasts for Carbis Bay?
The Met Office uses high-resolution models for Cornwall, giving dependable 3-day forecasts. Beyond that, Atlantic systems reduce accuracy. Always refer to the live forecast above for the latest.
When is the calmest weather for swimming in Carbis Bay?
Late spring to early autumn often has lighter winds and warmer sea temperatures, but check the live forecast above and local tide times for safe conditions.
For other coastal spots, visit the UK weather hub. If you need a longer view, the 10-day forecast can help plan ahead.