National Forecast
Issued at: 15 March 2026 16:30
TODAY - Sunday 15th March
Cool and blustery for the rest of today with sunny spells and widespread showers. Some of the showers will be heavy with a chance of hail and isolated thunderstorms with a few turning wintry in the north and northwest, especially about higher ground. Fresh to strong and gusty westerly winds, with gales continuing along western and northwestern coasts.
TONIGHT
A mix of clear spells and scattered blustery showers at first tonight. Some of those showers still heavy with hail and possibly wintry at times in the north and about high ground. The showers will gradually ease and become increasingly confined to the north, with clear spells developing for time. Cloudier conditions with patchy rain and drizzle will spread from the southwest towards morning. Lowest temperatures of 1 to 5 degrees will occur early on in the night, with moderate to fresh and gusty westerly winds easing mostly moderate southwesterly.
TOMORROW - Monday 16th March
Monday will be a mostly cloudy day with outbreaks of rain and drizzle spreading northeastwards during the morning, becoming lighter and patchier from the southwest in the afternoon. Highest temperatures of 9 to 12 degrees with moderate southwesterly winds freshening through the day.
National Outlook
Overview: The week will start off unsettled with spells of breezy and, at times, wet weather. However, high pressure will take hold from Wednesday, bringing more settled and mostly dry conditions.
Monday night: A cloudy night with patchy outbreaks of rain and drizzle. Mild with lowest temperatures of 7 to 11 degrees. Breezy too, with freshening southwesterly winds, stronger near Atlantic coasts.
Tuesday (St Patrick's Day): Starting off cloudy for most with some patchy outbreaks of rain and drizzle. More persistent rain in the west will gradually move eastwards through the morning and afternoon, becoming patchier as it does so, and with a clearance to bright spells and a few showers following into the west later in the afternoon. Relatively mild with highest temperatures of 10 to 14 degrees, but windy with fresh to strong south to southwest winds, easing towards evening.
Tuesday night: A mostly clear and dry night. Some fog is possible as southwesterly winds become light and with lowest temperatures of 1 to 5 degrees.
Wednesday: A mostly dry day with just some patchy light rain or drizzle possible in the south. Current indications are that it will be relatively cloudy, but with some brighter spells too. Relatively mild with highest temperatures of 10 to 14 degrees, with just light variable breezes.
Thursday: Current indications are that it will be a dry day with plenty of sunshine. Highest temperatures of 11 to 16 degrees, with light to moderate easterly winds.
Further outlook: Current indications are for it to remain settled, mostly dry, and with plenty of bright weather for the remainder of the week and the weekend.
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.