National Forecast
Issued at: 04 December 2025 21:13
TONIGHT
Tonight will bring a mix of clear spells and scattered showers for a time, some heavy, but these will tend to die away soon after midnight, with a lot of dry weather following. However, cloud will thicken from the southwest overnight with rain and drizzle moving into the southwest and west by morning. Lowest temperatures of 1 to 6 degrees, coldest in the north and east, with some frost and icy patches possible for a time. Southerly winds will be mostly light to moderate, but will back southeasterly and increase fresh and occasionally gusty in western and some southern coastal parts.
TOMORROW - Friday 5th December
Wet and windy tomorrow, Friday, with rain extending northeastwards and turning heavy in places. Southeasterly winds will increase strong and gusty with gales at times on south and east coasts. The rain will give way to scattered showers and some brighter spells extending from the southwest through the afternoon and evening as winds ease moderate to fresh southwesterly. Some of the showers will be heavy. Afternoon highs of 8 to 12 degrees generally, but 6 to 9 degrees in Ulster.
National Outlook
Overview: Changeable with spells of rain, showers and some dry intervals. Turning milder too.
Friday night: Staying rather cloudy with scattered showers or longer spells of rain. Lowest temperatures of 5 to 9 degrees with mostly moderate southwesterly winds, freshening in the southwest later.
Saturday: Breezy for most with scattered showers in the morning and just limited sunny spells. The showers will ease in the afternoon with more in the way of sunny spells. Highest temperatures generally of 9 to 11 degrees with moderate to fresh westerly winds, increasing strong at times in the south.
Saturday night: Clear spells will give way to cloud building from the southwest early on with rain spreading nationwide. Lowest temperatures of 5 to 9 degrees with moderate to fresh southerly winds.
Sunday: Outbreaks of rain and drizzle will largely clear northeastwards through the morning leaving a mostly dry afternoon with sunny spells. Highest temperatures of 10 to 13 degrees with moderate westerly winds backing southwesterly.
Monday: Current indications show a largely dry start with sunny spells before cloud builds from the southwest and a further spell of rain moves in later in the day. Highest afternoon temperatures of 9 to 12 degrees with moderate southerly winds.
Further outlook: Likely to remain unsettled with further spells of rain, showers and blustery conditions.
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.