National Forecast
Issued at: 19 January 2026 23:49
TONIGHT
Lingering rain in Ulster will clear tonight but it will become wet and quite windy overnight across Munster, Connacht and south Leinster with rain spreading from the southwest and fresh to strong and gusty east to southeast winds, with gales near southern coasts. Drier elsewhere with lighter winds. Lowest temperatures of -1 to +3 degrees.
TOMORROW - Tuesday 20th January
Tomorrow morning, rain and blustery conditions in the south and west will gradually move northwards across the country. A brief clearance to sunny spells and isolated showers will follow behind the rain before further outbreaks of rain push into the west and south later. Fresh to strong southeasterly winds will decrease moderate to fresh behind the rain. Highest temperatures of 5 to 9 degrees.
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.