National Forecast
Issued at: 19 October 2025 08:46
TODAY - Sunday 19th October
Outbreaks of rain will continue to clear northeastwards this morning bringing the risk of spot flooding. Drier and brighter conditions in the west and southwest will gradually extend nationwide by the early afternoon with a mix of sunshine and a few showers. Some of the showers will turn heavy or possibly thundery later, mainly in Munster. Fresh to strong and gusty southeasterly winds easing light to moderate southwesterly as the rain clears. Highest temperatures of 13 to 17 degrees.
TONIGHT
Tonight will bring a mix of clear spells and showers for most. The showers will merge to longer spells of rain at times, especially over the southern half of the country, where some heavy and thundery downpours are possible. Lowest temperatures of 7 to 11 degrees, coldest in Ulster. Light to moderate variable winds, becoming northerly towards morning and freshening near southwestern coasts. Patchy mist and fog also.
TOMORROW - Monday 20th October
Rather cloudy to begin tomorrow, Monday, with scattered showers, merging to longer spells of rain at times, especially near the east coast. Some heavy bursts and isolated thunderstorms are possible but they will ease towards the evening. Highest temperatures of 13 to 16 degrees. Mostly light to moderate northerly winds at first, will back northwesterly and increase fresh at times near southern and southwestern coasts.
National Outlook
Overview: Mixed and changeable.
Monday night: Further showers merging to longer spells of rain, will spread eastwards on Monday night, with some heavy falls possible. Lowest temperatures of 7 to 11 degrees in light to moderate westerly winds, fresher near some western and southern coasts. There'll be a few mist and fog patches too, mainly across the midlands, north and east.
Tuesday: Quite cloudy to begin on Tuesday with scattered outbreaks of rain and drizzle, but brightening up from the west as the day goes on with sunny spells and a few showers. Highest temperatures of 11 to 15 degrees in mostly moderate west to northwest winds, fresh to strong at times near Atlantic coasts, easing in the evening. Largely dry with long clear spells on Tuesday night, apart from isolated coastal showers in the west and north. Lowest temperatures of 3 to 7 degrees with light to moderate westerly winds, backing light southwest or variable overnight. Patchy mist and fog too.
Wednesday: Mainly dry and bright at first with hazy sunshine to begin with just a few showers, mainly in the west and north. Cloud will increase from the south through the day with outbreaks of rain developing, turning heavy in parts of the south later. Highest temperatures 11 to 14 degrees in mainly light, occasionally moderate southerly winds backing southeast in the evening. Some uncertainty in the detail at present for Wednesday night, but current indications suggest wet and potentially windy conditions, with rain spreading northeastwards over the country. Some heavy and thundery downpours are possible. Lowest Temperatures of 5 to 9 degrees with easterly winds becoming cyclonic variable and increasing fresh to strong and gusty in places.
Thursday: The uncertainty spills into Thursday, but current indications suggest a cool and windy day with showers or longer spells of rain. Highest temperatures just 9 to 12 degrees with fresh to strong northwesterly winds developing, reaching gale force on some coasts.
Friday and Next Weekend: Rather cool and showery with temperatures trending a little below normal for the time of year in northerly or northwesterly winds, strong at times near coasts.
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.