Map Legend

National Forecast

21 May 2026 19:30

Today

Outbreaks of rain and drizzle will continue to clear northwards this evening. Drier and brighter conditions will gradually follow from the south, but rain may linger along some Atlantic coastal fringes. There'll be mist and fog over hills and along some windward coasts.

Tonight

Tonight will be cloudy and humid with patches of mist and drizzle, but overall a lot of dry weather away from southern and western fringes. Another mild night, with lowest temperatures of 11 to 14 degrees, in moderate southerly breezes.

Tomorrow

Friday will begin mild and cloudy with patches of mist and drizzle across the country. While some hazy sunny spells will gradually develop, some showery rain will spread eastwards in the afternoon and evening, heavy in parts of Ulster but light and patchy elsewhere. Fairly warm with highest temperatures of 17 to 20 degrees generally in moderate southerly breezes. However, it will be somewhat cooler for southern coastal areas, where sea-fog may encroach.

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