Réamhaisnéis Náisiúnta
Issued at: 19 January 2026 08:46
TODAY - Monday 19th January
Cloudy and wet at first this morning, with widespread rain and drizzle turning heavy at times. The rain will gradually clear northeastwards through the day but will continue in Ulster and north Leinster into the evening. Sunny spells will develop across the west and southwest. Highest temperatures of 5 to 9 degrees, with light variable winds.
TONIGHT
Any lingering rain or drizzle in Ulster will mostly clear during the first half of the night, leaving mainly dry and cold conditions with clear spells, allowing some patches of frost and ice to form. Some mist and fog patches will also develop in light variable winds. However, cloud will build from the southwest through the second half of the night with wet and windy conditions following towards morning. Lowest temperatures of -2 to +2 degrees.
TOMORROW - Tuesday 20th January
Starting off cloudy with wet and windy conditions moving northwards over the country. The rain will be heavy at times. A clearance to dry conditions with sunny spells will follow before showers or further spells of rain push in from the south. Highest temperatures of 5 to 9 degrees, with fresh to strong and gusty easterly winds easing with the clearance of the rain.
National Outlook
Overview: Unsettled and mixed weather with showers, more persistent spells of rain, and breezy conditions all forecast.
Tuesday night: Breezy with scattered showers or more persistent spells of rain and just limited clear spells. Lowest temperatures of 2 to 6 degrees, with moderate to fresh and gusty southeasterly winds.
Wednesday: Current indications are that further north will see a mix of sunny spells and scattered showers, while further south will be cloudier with more persistent outbreaks of rain. Highest temperatures of 6 to 10 degrees, with moderate to fresh easterly winds, stronger on southern and eastern coasts.
Wednesday night: Widespread showers or more persistent spells of rain with limited clear spells. Lowest temperatures of 3 to 7 degrees with light to moderate cyclonic variable winds.
Thursday: Current indications are for scattered showers with limited bright spells. Highest temperatures of 6 to 9 degrees, with light to moderate southeasterly winds.
Friday: The detail is uncertain but current indications are for a breezy day with a mix of sunny spells and scattered showers or more persistent outbreaks of rain spreading northwards across the country. Highest temperatures of 5 to 8 degrees, with moderate to fresh southeasterly winds, stronger on Atlantic coasts.
Further outlook: While the detail is uncertain, low pressure continuing to dominate, bringing further showers or more persistent spells of rain.
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.