National Forecast
Issued at: 26 December 2025 19:33
TONIGHT
Dry and cold tonight with some cloud in places early on, but becoming mostly clear. A few isolated mist and fog patches may occur. Lowest temperatures of -2 to +2 degrees generally with a fairly widespread frost. It will be less cold and mostly frost free across eastern coastal counties though with values holding between 2 and 6 degrees. Winds will remain light to moderate northeasterly.
TOMORROW - Saturday 27th December
Any frost will clear early Saturday morning to leave a dry day with widespread spells of low winter sunshine. It may however turn a little cloudier across eastern areas into the afternoon. Highest temperatures of 3 to 8 degrees, coldest further west. Northeasterly breezes will be mostly light to moderate overland and fresher along eastern and southern coasts.
National Outlook
Overview: Remaining settled as high pressure continues to dominate.
Saturday night: Patches of drizzle possible towards the south coast but otherwise dry with a mix of cloud and clear spells. Lowest temperatures of 1 to 5 degrees in mainly light to moderate northeasterly breezes.
Sunday: Mainly dry and cloudy with further patches of drizzle possible along southern coastal parts. Highest temperatures of 5 to 9 degrees in light to moderate easterly winds.
Sunday night: Dry and mostly cloudy with patches of mist and fog or freezing fog forming in light and variable winds. Frost will form in some areas where the cloud breaks. Lowest temperatures of -1 to +4 degrees.
Monday: Mostly dry and cloudy although some light drizzle is possible near southern and western coasts. Highest temperatures of 4 to 7 degrees in light north to northeast winds.
Monday night: A largely dry and mostly cloudy night, although clear spells will occur over Ulster and Connacht. Lowest temperatures of -2 to +4 degrees, coldest where those clear spells occur, in light northeasterly winds.
Tuesday: Cloudy with scattered patches of light rain or drizzle. Highest temperatures of 4 to 8 degrees in a light east to northeast wind.
Further outlook: High pressure looks set to remain nearby with settled weather continuing for New Year's Eve, then there is likely to be more in the way of light rain and drizzle moving in for the start of January.
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.