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Cornwall weather: Sunday 15 November, heavy showers, thunder possible

Published On: 15 November 2026Last Updated: 15 November 2026By
CornishStuff weather collage of lightning, cloud, sunset and sun

Keep the waterproof within reach today, because Cornwall is in for a wet and blustery Sunday with the chance of a rumble of thunder thrown in. The Met Office’s regional forecast for the South West sets up a chilly, unsettled week, so here is how the weather looks across the county.

Today (Sunday 15 November)

A damp start gives way to blustery, heavy showers through the day, and thunder is possible in the heaviest of them. There should be a few brighter spells in between to break it up. It is a milder day than yesterday, with a high of 12°C, but it will feel unpleasant out there, especially towards the coasts where strong northwesterly winds are blowing.

Tonight

A few light showers linger at first before things turn drier into the early hours, with clearer spells developing and the winds easing. It turns cold under those clearer skies, with the temperature dropping to a low of 1°C.

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Monday

A bright start for some, but it does not last. Cloud and rain move in from the southwest through the afternoon, heavy at times, and the winds strengthen as the day goes on. Coastal gales are possible by the evening. The high reaches 11°C.

Tuesday to Thursday

Chilly and unsettled is the theme for the rest of the week. Tuesday and Wednesday bring blustery, occasionally heavy showers with strong winds along the coast. Then further rain arrives on Thursday, and the strong winds return with it.

CornishStuff weather collage of lightning, cloud, sunset and sun

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