Issued at: 01 January 2026 13:53
Most areas will be dry with sunny spells but showers will affect Ulster and parts of the southwest. Highest temperatures of 5 to 9 degrees in light to moderate northwesterly winds, fresher near northern and northwestern coasts.
Cloud and rain will develop in Ulster early tonight and will move southwards across Connacht and north Leinster overnight, followed by scattered showers. Some falls of sleet are possible, mainly on hills. It'll stay largely dry with clear spells in the south. Frost and some icy patches will develop as temperatures fall to between -1 and +3 degrees, with moderate to fresh northwesterly winds.
Cloud and patchy rain will clear from the south tomorrow morning and for the rest of the day there'll be scattered showers and sunny spells. Most of the showers will be in the north and northwest and some will be of sleet or snow. It will be a cold day with highest temperatures of just 2 to 6 degrees and moderate to fresh northwesterly winds.
Overview: A cold start to 2026 but plenty of dry weather with high pressure remaining nearby. Turning colder with sharp to severe frosts developing and some wintry showers mainly affecting the north and northwest.
Friday night: Cold with widespread frost and some icy patches on untreated surfaces. Most places will be dry with clear spells but a few showers of sleet and snow will continue in the north and northwest. Lowest temperatures of -2 to +2 degrees in moderate northwesterly winds.
Saturday: Frost and any ice will be slow to clear on Saturday morning. Another generally dry and bright day with spells of sunshine, though isolated showers of rain and sleet are possible in the north and northwest. Highest temperatures of 2 to 6 degrees in moderate northwest winds.
Saturday night: A few wintry showers will continue in the north and northwest on Saturday night but it will be dry and largely clear elsewhere. Sharp frost and some ice developing with lowest temperatures of -3 to 0 degrees in light northwest winds.
Sunday: A cold day with frost lingering in sheltered spots. Once again, most areas will be dry with sunny spells but scattered showers of rain, sleet and possibly snow will affect Ulster through the day. Daytime temperatures of 1 to 5 degrees in light to moderate northwest winds.
Monday: Another cold but mostly dry and bright day, though with the chance of isolated wintry showers. Frost and ice lingering in sheltered spots with daytime temperatures of just 1 to 5 degrees in a light northwesterly or variable breeze.
Further outlook: Continuing cold early next week with plenty of dry weather, though there remains a chance of wintry showers or some patchy rain.

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.