Réamhaisnéis Náisiúnta

Issued at: 15 March 2026 21:00

TONIGHT

Tonight will bring a mix of clear spells and scattered heavy blustery showers, mainly affecting Ulster and Connacht, some of hail with the odd wintry fall over higher ground. Cloudier conditions with patchy rain and drizzle will arrive into Connacht and southwest Munster towards morning. Lowest temperatures of 1 to 5 degrees, coldest early on, with rather brisk westerly winds becoming southwesterly and moderating.

TOMORROW - Monday 16th March

Monday will be a mostly cloudy day with outbreaks of rain and drizzle spreading northeastwards during the morning, heaviest across Connacht and Ulster. It will become drier through the day with some sunny spells breaking through. The odd spot of drizzle will still occur though with hill, mist and coastal fog in places. Highest temperatures of 9 to 12 degrees in a freshening southwest breeze.

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.