Connacht
Issued at: 21 December 2025 16:00
TODAY - Sunday 21st December
It will be mostly dry this evening with a mix of cloud and clear spells, but a few patches of light rain and drizzle may develop in the south of the province. East to northeasterly winds will be light.
TONIGHT
It will be mostly cloudy tonight with just a few clear spells and some patches of light rain and drizzle. Mist and fog will also form as the night progresses. Lowest temperatures of 2 to 6 degrees in light northeasterly winds.
TOMORROW - Monday 22nd December
Tomorrow, Monday, will be cloudy with patchy light rain and drizzle. Mist and fog patches will linger in places through much of the day. The rain and drizzle will gradually clear in the evening. Highest temperatures of 8 to 10 degrees with light northerly winds veering easterly in the afternoon.
National Outlook
Overview: Turning drier and more settled with high pressure building.
Monday night: Cloud with outbreaks of rain and drizzle will gradually clear northeastwards overnight with clear spells and some showers following from the southeast. Lowest temperatures of 1 to 6 degrees generally but falling colder in some midland areas. Fog will form in mostly light easterly breezes.
Tuesday: Foggy for many in the morning, persisting in some places through the day. Limited sunny spells will occur but it will be largely dry with just some light rain or drizzle at times, mainly near coasts. Highest temperatures of 6 to 10 degrees in light northeasterly breezes.
Tuesday night: Some clear spells but overall mostly cloudy. Dry apart from possible spots of light rain or drizzle near eastern coasts. Lowest temperatures of 3 to 7 degrees in light, occasionally moderate northeasterly breezes.
Christmas Eve (Wednesday): Largely dry with just a few light showers or spots of drizzle. The best of any sunny spells will be in the afternoon. Highest temperatures of 6 to 9 degrees generally with light to moderate easterly winds, fresh at times near exposed coasts.
Christmas Day (Thursday): Largely dry with a mix of cloud and sunny spells and just a few light showers. Highest temperatures of 4 to 8 degrees in mostly light to moderate easterly winds, fresher near eastern and along southern coasts.
Further Outlook: High pressure continuing to dominate through the rest of the week with predominately dry conditions and highest 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.