An Mhumhain
Issued at: 17 December 2025 18:00
TODAY - Wednesday 17th December
Scattered showers this evening in a moderate south-west breeze.
TONIGHT
A cloudy night with fresh southwesterly winds. Showers will stream in during the evening then slowly clearing overnight, with rain moving into the south-west again by morning. Lowest temperatures of 4 to 6 degrees.
TOMORROW - Thursday 18th December
Wet and unsettled tomorrow, Thursday, with overcast skies and rain through the morning and afternoon. The rain will gradually clear later in the afternoon followed by scattered showers in a brisk westerly breeze. Highest temperatures of 7 to 11 degrees.
National Outlook
Overview: Generally unsettled but with temperatures generally above average. Indications of more settled weather developing early next week.
Thursday night: Clear spells with scattered showers tracking eastwards through the night, some heavy with a chance of hail. Lowest temperatures of 3 to 7 degrees in moderate to fresh and gusty southwesterly winds.
Friday: Sunny spells in the morning with further blustery showers. The showers will become lighter and less frequent through the afternoon as better dry spells develop. Highest temperatures of 7 to 10 degrees generally in mostly moderate southwesterly winds, backing southerly later and easing light to moderate.
Friday night: Dry with a mix of cloud and clear spells for most with just showers near southern and Atlantic coastal areas. Cloud will gradually build from the west with rain moving into the south and west by morning. Lowest temperatures of 4 to 7 degrees with southerly winds increasing fresh and gusty.
Saturday: Some uncertainty in the details but indications are that it will be breezy at first with fresh and gusty southerly winds as outbreaks of rain extend northeastwards. A clearance to sunny spells and just a few showers will develop in the southwest later in the morning, gradually extending countrywide as winds ease. Highest temperatures of 8 to 11 degrees. Turning chilly overnight with some frosts possibly forming in light breezes.
Sunday: Dry for most to start but outbreaks of rain will push in from the southeast. The rain will be most frequent in the south and east with the northwest seeing the best of the dry spells. Highest afternoon temperatures of 5 to 8 degrees generally with a light to moderate easterly breeze developing.
Further Outlook: Further spells of rain expected on Monday before turning cooler, drier and more settled through Christmas week.
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.