National Forecast
Issued at: 11 May 2026 21:30
TONIGHT
Tonight will start off dry with clear spells. Cloudier conditions with patchy light rain or drizzle will extend southeastwards overnight. It will stay dry in southern parts until morning. Lowest temperatures of 4 to 9 degrees in light to moderate west or north-west breezes.
TOMORROW - Tuesday 12th May
Through Tuesday morning, cloud and any rain or drizzle will gradually clear to the south by early afternoon. Sunny spells will follow. There'll be a few showers in Ulster. Highest temperatures of 11 to 17 degrees, coolest in the northwest and warmest in the southeast with moderate to fresh west to northwest winds
National Outlook
Overview: Becoming more unsettled. Continuing cool for mid-May
Wednesday night: Scattered showers will ease early in the night, becoming mostly confined to the north and northwest with just isolated showers possible elsewhere. Cloud will build from the west through the night. Lowest temperatures of 4 to 9 degrees in mostly moderate northwest winds.
On Thursday, rain will develop i the west and north-west early in the morning and spread southeastwards to all areas by noon. Oubreaks of rain and drizzle will continue for the rest of the day, becoming light and patchy on Thrusday night. A cool day with highest temperatures of 9 to 13 degrees and light to moderate west or northwest winds.
Friday will be a bit milder with bright or sunny spells and well scattered showers. Highest temperatures of 12 to 16 degrees in light to moderate northwesterly breezes.
The weekend will continue mixed with a fair amount of dry weather, but with some rain or showers at times too. Temperatures will range from about 12 to 15 degrees with light to moderate southerly or westerly breezes.
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.