Réamhaisnéis Náisiúnta
Issued at: 20 December 2025 04:56
TODAY - Saturday 20th December
Today will be wet and windy at times with spells of rain, occasionally turning heavy. Strong and gusty south to southeast winds will affect the southwest early on before moving northeastwards across the country through the day. Rain will clear from the west and southwest through the afternoon, with scattered showers and light winds following. Highest temperatures 7 to 10 degrees.
TONIGHT
Very cold tonight with frost and ice developing under clear skies with lowest temperatures of -2 to +2 degrees in calm conditions. Rain will linger over parts of Ulster, Leinster and east Munster, heavy at times, with scattered showers elsewhere, turning wintry at times. Freezing fog is also possible across Ulster and the Midlands.
TOMORROW - Sunday 21st December
Remaining chilly with showery spells of rain moving across on the country, with the chance of occasional wintry showers. Highest temperatures of 4 to 8 degrees in an easterly breeze.
National Outlook
Overview: While there is a little uncertainty from early next week, conditions are likely to become more settled as high pressure moves in bringing mostly dry and calm weather throughout the Christmas period, cooler at times too.
Sunday night: Dry for most with spells of rain over Leinster gradually easing overnight as it clears northwestwards over parts of Munster and Connacht. Lowest temperatures of 3 to 8 degrees for Ulster, Leinster and most of Connacht; -2 to +2 for Munster and south Connacht, in light or variable easterly winds. Mist and fog patches are possible with the chance of frost and ice forming in places under clear skies too.
Monday: Showery spells of rain will over parts of Ulster and Leinster, will become more persistent elsewhere. Patches of mist and fog overnight are possible too. Highest temperatures of 4 to 8 degrees, in just a light easterly breeze.
Monday night: Cloudy overnight with scattered showers remaining over coastal regions, with lingering fog in places. Frost and ice in places early on in the night with lowest temperatures of -1 to +4 degrees, coolest in the southwest in light southerly or variable winds.
Tuesday: Uncertainty remains but Tuesday with see further showery spells of rain, with drier periods at times too. Highest temperature of 5 to 9 degrees with just light variable breezes. Mist and fog places also.
Christmas Eve and Christmas Day will be rather cold and dry with crisp winter sunshine. Frost and ice will form in places to begin and end each day. Coastal showers will move up along the East coast, but will be isolated, in light to moderate east to northeast breezes.
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.