Réamhaisnéis Náisiúnta
Issued at: 22 May 2026 05:00
TODAY - Friday 22nd May
Mild and cloudy to start 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.
TONIGHT
Any lingering showers will die out early tonight with a dry and cloudy night following. Mist and fog may set in though, especially for southeast counties. Lowest temperatures 9 to 12 degrees, in just light southwest or variable breezes.
TOMORROW - Saturday 23rd May
Dry with warm sunny spells developing, and no more than moderate southwest breezes. Highest temperatures of 17 to 21 degrees generally, though it will be a little cooler in some coastal fringes.
National Outlook
Overview: Temperatures will continue to trend upwards with warm or very warm conditions. High pressure will bring mostly dry and settled weather too. Sea fog may impinge in some areas however.
Saturday night: While most areas will remain dry and clear, cloud will continue to increase over northwest areas. Mist and fog patches will form towards morning in the southwest in light or variable southerly breezes. Lowest temperatures of 8 to 12 degrees.
Sunday: Sunday will bring another warm day with spells of sunshine. Cloudier skies will remain over the northwest until the evening, when brighter spells will develop. Meanwhile, sea fog will persist for a time on southern coasts in the morning. Highest temperatures of 18 to 22 degrees, in just light southerly or variable breezes.
Sunday night: A clear and dry night instore with patches of mist, fog and sea fog forming towards morning. Mild, with lowest temperatures of 9 to 12 degrees in light or variable southerly breezes.
Monday: A bright start for most, but cloudier for a time to the northwest. Mist and fog patches will linger for a time in the morning before bright and sunny spells develop through the remainder of the day. Highest temperatures of 18 to 23 degrees in light variable breezes.
Tuesday: Tuesday will start out mostly bright, however, mist and fog patches may linger in places for a time. Warm and sunny spells will become widespread across the day.
Temperature circle (°C): maximum and minimum temperature forecast for each day. Wind symbol (km/h): arrow points in the direction the wind is blowing. The weather and wind icons: for the time of maximum temperature and minimum temperature.