An Mhumhain
Issued at: 30 December 2025 12:00
TODAY - Tuesday 30th December
Mostly cloudy, but turning brighter as the day goes on with bright or sunny spells developing, mainly in the north of the province. Highest temperatures of 5 to 8 degrees in light to moderate northeast breezes.
TONIGHT
Cold and mostly dry tonight with a mix of cloud and clear spells with a chance of a little drizzle in the south of the province. Lowest temperatures of -2 to +3 degrees in light variable breezes will allow frost and ice to develop.
Solar UV Index
Low.
TOMORROW - Wednesday 31st December
A mix of cloud and sunny spells, the best of the sunny spells will be in the north of the province. Generally dry apart from the chance of a little drizzle along the south coast. Highest temperatures of 4 to 7 degrees with light variable breezes at first, gradually becoming westerly.
National Outlook
Overview: High pressure continuing to dominate bringing plenty of dry weather though there will be some light rain or showers at times. Turning colder for the weekend with sharp to severe frosts developing.
New Year's Eve night (Wednesday): Rather cloudy early in the night with some light rain sinking southwards. Clear spells and showers will follow from the north. Lowest temperatures of -2 to +3 degrees with frost and icy stretches developing. Light to moderate westerly winds will increase fresh at times for northern and northwestern coasts.
New Year's Day (Thursday): Cloud and patchy light rain in Munster and south Leinster will slowly clear southwards through the day. Elsewhere, there will be sunshine and well scattered showers, most frequent for northern coastal areas. Highest temperatures of 5 to 8 or 9 degrees in light to moderate northwesterly winds, fresher near northern and northwestern coasts.
Thursday night: Dry for most with clear spells and just a few wintry showers. However, it will turn cloudier over Ulster through the night with more frequent showers developing. Lowest temperatures of -1 to +3 or 4 degrees in mostly light to moderate northwesterly winds.
Friday: A day of sunny spells and showers with some falls of sleet and snow possible. Highest temperatures of 2 to 6 degrees generally in light to moderate northwesterly winds, fresh near exposed coasts.
Friday night: Mostly dry and clear with just some wintry showers in the north and northwest. Lowest temperatures of -2 to +2 degrees in light northwest to moderate northwest winds.
Saturday and Sunday: Very cold and mostly dry though some wintry showers will occur, mainly in the north and northwest. Daytime highs will reach just 1 to 5 degrees in mostly light to moderate northwesterly winds. Sharp frosts and ice will develop during the nights.
Further Outlook: Continuing cold into early next week. While there will still be plenty of dry weather, there will be some wintry showers or falls 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.