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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Civic Insight weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Coleraine along the north coast will see a mix of cloud and bright spells today, with a brisk westerly breeze keeping the air fresh. The live forecast above captures the immediate conditions for this Causeway Coast town.
What can we expect today and tonight?
This afternoon stays largely dry, though patchy light rain may brush the coast near Portrush. Temperatures will hover around average for the season under that westerly flow. Overnight, clear intervals develop as the breeze eases, with lows dropping to single figures.
How does the rest of the week look?
High pressure builds from the Atlantic later in the week, bringing more settled conditions. Should you be checking the weather in Coleraine tomorrow, it looks largely dry with spells of sunshine. The live forecast above will update hourly.
Is the BBC Weather Coleraine forecast still reliable for this area?
Yes, the BBC Weather Coleraine feed and our live forecast above both draw from the Met Office data. For hourly changes, check the live panel, which updates more frequently than many static pages.
What about a longer view – do you cover a 21 day weather forecast Coleraine?
Our 10-day forecast page (linked below) gives a reliable outlook covering the next week and a half. For 21 day weather forecast Coleraine or 30 day weather forecast Coleraine, longer-range models are available from the Met Office’s monthly outlook, though confidence drops beyond 10 days.
Will the weather affect hillwalking on the nearby mountains?
Coleraine mountain weather can shift rapidly, especially on the Antrim Plateau. With light rain possible today and a moderate breeze, take a waterproof layer if heading up. The live forecast above gives the latest conditions.
Sources
For a wider view of conditions across the UK, visit our national weather hub. If you need a longer-range outlook, the 10-day forecast page provides detailed projections for Coleraine and beyond.