Connacht
Issued at: 31 December 2025 16:30
TODAY - Wednesday 31st December
Dry but mostly cloudy with some brighter spells for New Year's Eve. Light variable breezes, becoming westerly this evening.
TONIGHT
Mostly cloudy, with patchy light rain developing tonight. Cold with lowest temperatures of -2 to +2 degrees with frost and icy stretches developing in any clear spells. Light to moderate westerly winds will increase fresh at times along the coast.
Solar UV Index
Low.
TOMORROW - Thursday 1st January
Any remaining cloud and patchy light rain clearing in the morning, leaving a mostly dry with sunny spells for New Year's Day. Highest temperatures of 5 to 8 degrees in light to moderate northwesterly winds.
National Outlook
Overview: High pressure is continuing to dominate bringing plenty of dry weather overall, though there will be some light rain or showers at times. Turning colder for the weekend with sharp to severe frosts developing and some wintry showers mainly affecting the north and northwest.
Thursday night: Initially dry with clear spells at first. Outbreaks of rain and drizzle will move into the north early on and gradually sink southwards becoming patchier and easing towards morning. Further clear spells and scattered wintry showers will follow from the north. Lowest temperatures of -1 to +3 degrees in light to moderate northwesterly winds.
Friday: A day of good sunny spells, with some showers of sleet and snow possible, mainly in the north. Highest temperatures of 3 to 7 degrees in light to moderate northwesterly winds, fresher near coasts.
Friday night: Continuing mostly dry and clear with some wintry showers, mainly affecting the north and northwest. Lowest temperatures of -2 to +2 degrees in light to moderate northwesterly winds.
Saturday and Sunday: Very cold and mostly dry with wintry showers, mainly in parts of the north and northwest. Highest daytime temperatures of just 2 to 5 degrees in light to moderate northwesterly winds. Lowest night-time temperatures of -3 to +1 degrees with sharp frosts and ice developing.
Further outlook: Continuing cold into early next week, with plenty of dry weather, though there will be wintry showers or outbreaks of rain at times.
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.