National Forecast
31 May 2026 08:20
Today - Sunday 31st May
Generally dry today with a mix of cloud and some sunny spells and just well-scattered light showers. Later this afternoon and evening, thickening cloud will begin to feed in patchy drizzle to Atlantic counties. Some mist too. Highest temperatures of 15 to 20 degrees, mildest, driest and brightest further east. Southwesterly breezes will be no more than moderate in strength.
Tonight - Sunday 31st May
Dry for a time tonight across east and northeast counties. However, cloudy outbreaks of rain and drizzle will extend nationwide during Sunday night, turning heavy at times, especially for southern counties. Hill, mist and coastal fog too. Relatively mild with lowest temperatures of 9 to 14 degrees, in a mostly moderate southerly wind.
Tomorrow - Monday 1st June
Monday will begin dull and wet with further outbreaks of rain. Rain will give way to showery conditions for the afternoon as some sunny spells break through. Some heavy showers will follow in the flow too though. Highest temperatures of 15 to 19 degrees, again best values further east, all in a mostly moderate west to southwest breeze.
Outlook
Overview: Unsettled as each day brings rain or showers, some heavy, along with rather brisk southwest winds at times too.
Monday night: Clear spells and scattered heavy showers. Lows of 10 to 13 degrees in light westerly breezes.
Tuesday: A day of sunny spells and showers, some heavy, especially across parts of Ulster and north Leinster during the afternoon. Highest temperatures of 14 to 19 degrees, best values further east, all in a moderate to fresh westerly wind. On Tuesday night, wet and breezy weather will extend from the west.
Wednesday: Lingering overnight rain will clear into the Irish Sea with sunny spells and scattered blustery showers following for the rest of the day, some very heavy falls are possible later. Highest temperatures of 14 to 19 degrees, again best values further east, all with brisk southwesterly winds.
Thursday: Cool and breezy with sunny spells and heavy showers throughout the day. Highest temperatures of 13 to 17 degrees with fresh and gusty west to southwest winds.
Friday and next weekend will continue unsettled with cooler than average weather for early summer too.



