National Forecast
Issued at: 14 January 2026 20:30
TONIGHT
Widespread showers early tonight will largely become confined to Atlantic coastal counties overnight, some of hail and thunder. Cold with frost setting in, along with the chance of icy stretches. A few mist or fog patches too. Lowest temperatures of -1 to 3 degrees in mostly moderate southwesterly winds.
TOMORROW - Thursday 15th January
Frost and any mist patches will clear early on Thursday to leave a mostly dry day with plenty of low winter sunshine. Scattered showers will affect Atlantic counties, some heavy aand thundery with local hail. Highest temperatures of 5 to 10 degrees, coolest in Ulster, with light to moderate southerly or variable winds.
National Outlook
Overview: Low pressure continuing to dominate, bringing mixed conditions. There will be plenty of dry weather, but also some showers or longer spells of rain. There will also be a switch to a more easterly airflow towards the weekend.
Thursday night: A mix of dry clear spells and showers, some of which will merge into more persistent spells of rain. Some mist and fog patches will develop too. Lowest temperatures of 0 to 3 degrees with a light southeasterly breeze.
Friday: While fog may linger in parts, it will be a dry day for many with some bright spells. Showers, some of which could be heavy and with a chance of hail and thunder, will mainly affect southern and eastern parts. Highest temperatures of 4 to 9 degrees, coolest in the northwest and mildest in the southeast, with a light to moderate easterly breeze.
Friday night: A dry night apart from coastal showers mainly affecting the southern and eastern coastal parts. Widespread fog will develop with freezing fog possible too. Lowest temperatures of -1 to +4 degrees, highest in the east, with a light or variable easterly breeze.
Saturday: With fog lingering it parts, it will be a generally cloudy day with limited bright spells. It will be dry for many with isolated showers or light rain and drizzle mainly affecting southern and eastern coastal areas. Highest temperatures of 5 to 9 degrees with a light easterly or variable breeze.
Sunday: Some mist and fog patches early on. It will be generally cloudy with limited bright spells. While there will be some patchy light rain and drizzle, there will be plenty of dry weather overall. Rain will push into the west later in the day. Highest temperatures of 6 to 9 degrees, with light to moderate southeasterly winds.
Further outlook: Returning to a mobile Atlantic regime with low pressure dominating and bringing unsettled and mixed 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.