Réamhaisnéis Náisiúnta

Issued at: 22 September 2026 11:00

TODAY - Tuesday 22nd September

Mixed today with cloud and sunny spells. Rain and drizzle in the northwest will slowly move into parts of Ulster, Connacht and west Munster through the afternoon and evening, with scattered showers elsewhere. Highest temperatures of 17 to 22 degrees generally, but cooler in the west and northwest with top temperatures here of 13 to 16 degrees. Winds will be light to moderate southerly or variable.

TONIGHT

The band of rain and drizzle will move eastwards across the country tonight, heaviest and most persistent in the north, and later the east, possibly leading to spot flooding in places. Clear spells and isolated showers will extend from the northwest to most areas overnight and temperatures will fall to between 7 and 11 degrees, but cloud and patchy rain will linger in the southeast and temperatures here will not fall below 13 to 15 degrees. Patches of mist and fog will form in light and variable winds.

TOMORROW - Wednesday 23rd September

Mist and fog will clear tomorrow morning, as will any lingering cloud and patchy rain in the southeast. Isolated showers will develop in places, but otherwise it'll be dry with sunny spells and light winds. Highest temperatures of 14 to 19 degrees, mildest in the southeast.

National Outlook

Overview: Mixed for the rest of the week, with rain or showers at times. Daytime temperatures in the mid to high teens.

Wednesday night: Dry with clear spells at first, but cloud will increase overnight and patches of light rain or drizzle will develop in the west and northwest. Lowest temperatures of 7 to 11 degrees with a moderate southerly breeze developing.

Thursday: Thursday will be a breezy day with a fresh and gusty southerly wind. Most areas will be dry at first with occasional sunshine, but there'll be patchy rain and drizzle in the west and northwest and also some drizzle towards the south coast. The rain will slowly move eastwards across parts of Ulster, Connacht and Munster during the afternoon and evening. Highest temperatures of 15 to 19 degrees.

Thursday night: Winds will ease on Thursday night and it'll be mostly cloudy with patchy light rain or drizzle. Mild and humid with lowest temperatures of 11 to 14 degrees.

Friday: Friday morning will be cloudy with patchy light rain or drizzle. This will gradually clear eastwards through the afternoon and evening, giving way to sunshine and showers, mainly in the west and north. Highest temperatures of 13 to 16 degrees with light to moderate southwesterly winds.

Friday night: A few showers in the north and west on Friday night, otherwise dry with long clear spells. Lowest temperatures of 7 to 11 degrees with light to moderate southerly winds.

The Weekend: A bright and breezy start to Saturday with sunny spells and scattered blustery showers. Rain is expected to move into the west later on Saturday, moving eastwards across the country on Saturday night, followed by sunny spells and scattered showers on Sunday. Daytime temperatures over the weekend will reach the mid to high teens.