National Forecast

Issued at: 18 October 2025 05:00

TODAY - Saturday 18th October

Today will be a dull and breezy day with scattered outbreaks of rain in the west and southwest at first, gradually spreading northeastwards across the country through the day. The rain will be heaviest and most persistent in Munster. Highest temperatures of 11 to 14 degrees in fresh and gusty southeast winds, stronger near coasts.

TONIGHT

Wet and blustery with heavy and persistent rain becoming widespread early in the night. Thundery bursts are possible with spot flooding likely. Rain will clear from the west and southwest by morning. Temperatures not falling below 10 to 13 degrees in fresh to strong and gusty southeasterly winds, moderating and veering southwest in Munster and Connacht by morning.

TOMORROW - Sunday 19th October

Heavy and persistent rain in the north and east at first, with further thundery falls and spot flooding possible. The rain will clear northeastwards through the morning with sunshine and showers following from the southwest, some of which will be heavy. Fresh to strong and gusty southeasterly winds at first but winds will ease moderate southwesterly behind the rain. Highest temperatures of 13 to 17 degrees.

National Outlook

Overview: More in the way of sunshine expected early next week mixed with further showers or spells of rain.

Sunday night: Clear spells and showers for most, though a longer spell of rain will move into the south and southwest, turning heavy at times. Lowest temperatures of 8 to 11 degrees in light to moderate variable winds, with some mist and fog patches forming.

Monday: A mix of sunny spells and scattered showers, merging to longer spells of rain at times over parts of Leinster. The best of the sunny spells will be further west. Highest temperatures of 11 to 15 degrees in a light to moderate north to northwest wind.

Monday night: Further scattered showers overnight with a mix of cloud and clear spells. Lowest temperatures of 7 to 11 degrees. Mist and fog patches possible in a light westerly wind.

Tuesday: A band of showery rain will spread from the northwest early Tuesday with lighter showers and good spells of sunshine following behind. Highest temperatures of 11 to 15 degrees with light to moderate westerly winds.

Tuesday night: Dry for most overnight with some clear spells as showers become confined to Atlantic coastal counties. Lowest temperatures 5 to 9 degrees, in a light, occasionally moderate west to southwest winds.

Further outlook: There is a large amount of uncertainty in the forecast from midweek. There is the potential for our weather to turn rather unsettled with temperatures decreasing as we go through the week.