National Forecast
Issued at: 28 September 2026 09:00
TODAY - Monday 28th September
This afternoon will be dry and bright for most with spells of sunshine, turning hazy at times, and just isolated showers. Highest temperatures of 14 to 17 degrees with a light to moderate south to southeast breeze.
TONIGHT
Tonight will be dry for most tonight with clear spells. It will turn cloudier over the southern half of the country overnight with patchy rain and drizzle developing towards morning. Lowest temperatures of 9 to 14 degrees, with a light to moderate southeasterly breeze, freshening towards morning.
TOMORROW - Tuesday 29th September
Tuesday will be become very windy with southeasterly winds increasing fresh through the morning, and reaching strong to near gale force and gusty through the afternoon and evening. Mainly dry in the morning, but some rain or drizzle in Munster. Through the afternoon and evening, persistent or heavy rain will spread northeastwards with localised flooding possible. Highest temperatures of 17 to 20 degrees.
National Outlook
Overview: Unsettled and blustery at first with rain and heavy showers. Likely turning more mixed through the week.
Tuesday night: Rain will clear northeastwards to scattered showers and clear spells from the southwest early on. The showers will be heavy, blustery and possibly thundery at times, especially in the south and west. Strong to near gale southeasterly winds will veer southerly with the clearance of the rain and ease moderate to fresh, stronger near coasts. Lowest temperatures of 10 to 14 degrees.
Wednesday: Blustery with sunny spells and widespread showers, some heavy and thundery. Highest temperatures of 15 to 18 degrees in fresh southerly winds, stronger near western coasts.
Wednesday night: Winds easing and turning drier for most as showers become confined to the west with plenty of clear spells. Lowest temperatures of 8 to 12 degrees in mostly light southerly breezes.
Thursday: Dry for many with sunny spells and scattered showers. A spell of more persistent rain is likely to move into the west later in the day. Highest temperatures of 14 to 17 degrees in moderate, occasionally fresh, southwest winds, backing southerly later.
Friday: There is some uncertainty in the details, with outbreaks of rain currently likely to move in from the west. Highest temperatures of 14 to 18 degrees with moderate to fresh southerly winds.
Further outlook: There is a signal for a ridge of high pressure to build through the weekend with drier and more settled weather developing.
Temperature circle (°C): maximum and minimum temperature forecast for each day. Wind symbol (km/h): arrow points in the direction the wind is blowing. The weather and wind icons: for the time of maximum temperature and minimum temperature.