National Forecast
Issued at: 28 September 2026 21:30
TONIGHT
Tonight will be dry for most with variable cloud and clear spells. Cloud will thicken over the southern half of the country later, with patchy rain and drizzle developing towards dawn. Lowest temperatures of 10 to 14 degrees, in freshening southeasterly winds, increasing strong near coasts by morning.
TOMORROW - Tuesday 29th September
Tuesday will be a windy day with strong and gusty southeasterly winds reaching gale force near coasts. While many places will start out dry, especially over the northern half of the country, outbreaks of rain and drizzle in Munster and south Leinster will spread elsewhere through the morning. A spell of heavy and persistent rain will spread northeastwards over the country during the afternoon and evening, 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.