National Forecast

Issued at: 31 August 2026 10:30

TODAY - Monday 31st August

Today will bring a good deal of dry weather for much of the day with some bright or sunny spells for a time and just a few well scattered showers. Cloud will increase through the day though, with some showery rain moving into the west and northwest later in the afternoon and evening. Highest temperatures of 15 to 18 or 19 degrees in mostly moderate westerly winds, fresher for a time in the north and east, easing light to moderate southwesterly later.

TONIGHT

Tonight will bring a mix of cloud and clear spells and some showers, the showers mainly in the north and west, with a good lot of dry weather elsewhere. Lowest temperatures of 9 to 13 degrees in light to moderate southwesterly or variable breezes, with fresher southwest winds in the northwest.

TOMORROW - Tuesday 1st September

Tomorrow will bring a few bright or sunny spells early on, mainly to the east and south, though it'll become increasingly cloudy through the day. There'll be a fair deal of dry weather for many areas for much of the day with a scattering of showers. However, it'll be a wetter day in parts of Ulster, especially further north, with more persistent rain moving in here, while later in the day outbreaks of rain will move into southwestern parts. Highest temperatures of 15 to 20 degrees, coolest in the north and warmest in the east and south, in mostly moderate southwest to west winds, fresher in the northwest for a time.

National Outlook

Overview: Unsettled with showers or more persistent spells of rain forecast for each day. Becoming breezy at times too.



Tuesday night will become wet and breezy with rain moving up from the southwest, turning heavy at times. Feeling humid with lowest temperatures of 13 to 15 degrees, with moderate to fresh southwest winds, strong and gusty at times along Atlantic coasts. Turning drier over Munster by morning.



Wednesday: A breezy day with cloud and overnight rain clearing northeastwards in the morning and early afternoon. A mix of sunny spells and scattered showers following from the southwest. Warmer than previous days with highest temperatures of 18 to 22 degrees, with moderate to fresh southwesterly winds.

Some bright or sunny spells and a few showers for Thursday before wet weather becomes widespread from the Atlantic later in the day or overnight. Highest temperatures 17 to 21 degrees in moderate to fresh southwest winds, easing later.

Current indications suggest it will remain unsettled into next weekend, and it will turn a bit cooler and fresher too.