National Forecast

Issued at: 12 August 2026 11:30

TODAY - Wednesday 12th August

Generally cloudy with limited sunny spells and scattered showers this morning. The showers will ease as the day progresses and the sunny spells will increase, especially further east and southeast where it will become very warm. Cloud will persist near western and southwestern coasts, though. Highest temperatures of 25 to 30 degrees for Leinster and east Munster, but 20 to 25 degrees elsewhere. All with light to moderate southerly or variable winds.

TONIGHT

Tonight will be dry for many with variable cloud and clear spells. Thicker cloud in parts of the west and southwest will produce patchy rain and drizzle. There'll be some mist and fog around too. It'll be another mild and muggy night with lowest temperatures of 15 to 19 degrees, in a light southerly or variable breeze.

TOMORROW - Thursday 13th August

Tomorrow, Thursday, will be another warm or hot day with sunny spells and scattered showers, mainly in the west and north. A few of the showers could be heavy with isolated thunderstorms possible. Highest temperatures of 20 to 29 degrees, coolest along western coasts, in a light to moderate southwest to west wind.

National Outlook

Overview: Turning fresher by Friday with a return to a more Atlantic-driven regime by early next week.

Thursday Night: Any remaining showers or thunderstorms will ease eastwards on Thursday night, with clear spells and isolated showers following. Lowest temperatures of 12 to 17 degrees in light, occasionally moderate, westerly breezes.

Friday: Friday will be a fresher day with a mix of sunny spells and scattered showers spreading from the west, becoming increasingly isolated later. Maximum temperatures will fall back to between 17 and 23 degrees in light to moderate northwesterly winds. Mainly dry on Friday night with variable cloud and clear spells and just the chance of an odd shower in the west and north. Lowest temperatures of 10 to 13 degrees in mainly light west to northwest breezes.

Saturday: Saturday will be mainly dry with a mix of cloud, sunny spells and isolated showers. Highest temperatures will range from around 15 degrees in the northwest to 21 degrees in the southeast in a light to moderate west to northwest breeze.

Sunday: There is still a degree of uncertainty in the details for Sunday at present, but current indications suggest a mostly cloudy day with outbreaks of rain pushing in from the Atlantic, possibly turning heavy in the west and northwest later in the day. Highest temperatures of 15 to 19 degrees with light to moderate southeasterly winds freshening later near Atlantic coasts.