Leinster

Issued at: 11 September 2026 12:00

TODAY - Friday 11th September

A mix of cloud and sunny spells today. Mostly dry with just a few isolated light showers. Highest temperatures of 17 to 20 degrees. Light westerly winds will back southerly through the day, and increase moderate near the south coast.

TONIGHT

Dry at first tonight with clear spells, but cloud will increase from the west overnight bringing outbreaks of rain to the north and northwest of the province. The rain may be heavy at times. It will be drier elsewhere with some patchy light rain and drizzle. Lowest temperatures of 11 to 15 degrees. Becoming breezy also as south to southwest winds increase moderate to fresh and gusty, with strong winds developing along parts of the south coast.

Pollen Forecast

Low.

More information

Solar UV Index

Moderate today. Low on Saturday.

UV Index

TOMORROW - Saturday 12th September

Cloudy and breezy on Saturday morning with outbreaks of rain spreading southeastwards. Drier conditions with some well scattered showers will spread from the north to many parts and it may brighten up locally. However, rain will persist in some southern parts of Leinster all day. This rain will be heavy at times, especially in the evening, and may lead to spot flooding. There will be some fog near the south coast also. Highest temperatures of 17 to 21 degrees. Moderate to fresh and gusty southwest winds, strong at times near the south coast, will gradually ease light to moderate west or southwest during the day.

National Outlook

Overview: Mixed conditions for the remainder of the weekend and into next week. Dry and bright periods will be interspersed with wet or showery ones. Breezy at times too. Turning cooler from Tuesday onwards.

Saturday night: Any lingering rain in the south should clear early in the night, leaving a mostly dry night with a mix of cloud and clear spells and just the odd light shower about. Some mist and fog patches will develop as winds ease light and variable overnight. Lowest temperatures of 9 to 13 degrees.

Sunday: Staying dry for many with just a few light showers about. While it will be quite cloudy, some sunny spells will break through at times. Highest temperatures of 16 to 21 degrees, coolest in Ulster, with a light to moderate south to southwest breeze.

Sunday night: Starting off mostly dry with a mix of cloud and clear spells and just a few showers about. Outbreaks of rain will arrive into Atlantic coastal areas towards morning. A mild night with lowest temperatures of 12 to 14 degrees, with a light to moderate south to southwest breeze.

Monday: Current indications are for a wet and breezy start to the day with widespread rain, turning heavy and persistent at times. The rain will clear eastwards through the afternoon, with sunny spells and scattered showers following. Highest temperatures of 17 to 21 degrees, with moderate to fresh southwesterly winds, veering westerly with the clearance of the rain.

Tuesday: Fresh and breezy with sunny spells and scattered showers. The showers will mainly affect the west and north of the country. Cooler than previous days with highest temperatures of 14 to 18 degrees, with a moderate to fresh northwesterly breeze.

Further outlook: Staying mixed for the remainder of the working week with showers or spells of rain forecast for each day, but also some drier and brighter spells. Turning breezy at times too, with maximum temperatures in the mid-teens generally.