An Mhumhain
Issued at: 28 September 2026 05:30
TODAY - Monday 28th September
Dry and bright for most today with spells of hazy sunshine and just isolated showers. Highest temperatures of 14 to 17 degrees in a light to moderate south to southeast breeze.
TONIGHT
Mostly dry with clear spells at first tonight. It will turn cloudier overnight with patchy rain and drizzle developing in southern parts towards morning. Lowest temperatures of 11 to 14 degrees, with a moderate southeasterly breeze, freshening towards morning.
Pollen Forecast
Low.
Solar UV Index
Low.
TOMORROW - Tuesday 29th September
Tomorrow will be windy with southeasterly winds increasing fresh to strong and gusty, reaching near gale force in the afternoon and evening. It will be cloudy with patchy rain and drizzle before more persistent rain spreads from the southwest through the afternoon and evening, turning heavy in places with localised flooding possible. A mild and humid day with 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.