National Forecast
Issued at: 22 December 2025 21:25
TONIGHT
Mostly cloudy tonight with some light rain and drizzle in west Connacht early on and with more feeding up from the south and southeast, to mainly affect counties in south Leinster and south Munster, with drier conditions elsewhere. There'll be some mist and fog also in mainly light east to northeast or variable breezes. Lowest temperatures of 2 to 7 degrees, coldest in the southwest.
TOMORROW - Tuesday 23rd December
Mostly cloudy tomorrow, Tuesday, with some light rain and drizzle, most persistent early in the day in southern parts, and with some mist and fog lingering in places. A few limited bright spells will develop. Highest temperatures of 8 to 11 degrees in light, occasionally moderate, northeasterly breezes.
National Outlook
Overview: High pressure is building bringing drier and more settled weather.
Tuesday night: Mostly cloudy and dry with just isolated patches of light rain or drizzle. Lowest temperatures of 4 to 7 degrees in light, occasionally moderate, northeasterly breezes with isolated patches of mist and fog possibly forming.
Christmas Eve (Wednesday): Cloudy and dry for most with a few light showers or spots of drizzle, and just limited bright spells developing. Highest temperatures of 6 to 9 degrees with light to moderate easterly winds, fresh at times near exposed coasts.
Christmas Eve (Wednesday) night: Largely dry with a mix of cloud and clear spells. Lowest temperatures of -1 to +4 degrees in light, occasionally moderate, easterly breezes with frost likely to form.
Christmas Day (Thursday): Dry for most with sunny spells and just a few spots of light rain and drizzle possible. Highest temperatures of 3 to 7 degrees with light to moderate easterly breezes, fresher at times near eastern and southern coasts.
St. Stephen's Day (Friday): Another largely dry day with variable amounts of cloud and sunny spells. Highest temperatures of 3 to 7 degrees with light, occasionally moderate, northeasterly breezes.
Further outlook: High pressure will continue to dominate for the weekend with mostly dry conditions and highest daytime temperatures generally ranging between 4 and 8 degrees.
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.