National Forecast

Issued at: 22 October 2026 22:00

TONIGHT

Wet and generally breezy tonight though windier in southern and southeastern counties. Rain associated with Storm Austen will affect much of the country, heaviest in Munster and Leinster with some flooding expected. Isolated thunderstorms may occur too. Cyclonic variable winds will veer northwest and strengthen fresh to strong and gusty, reaching near gale or gale force along southern coasts. Lowest temperatures of 4 to 8 degrees.

TOMORROW - Friday 23rd October

Tomorrow morning, lingering rain will clear eastwards. Sunshine and well scattered blustery showers elsewhere will follow for the rest of the day, mainly affecting western counties. Highest temperatures of 9 to 12 degrees. Fresh, occasionally strong and gusty northwesterly winds will gradually ease to light to moderate westerly towards evening.

National Outlook

Overview: Very unsettled, with frequent wet and windy spells.

Friday night: Mostly dry to start, with just a few coastal showers along Atlantic coasts. Overnight wet and windy weather will move from the west, with heavy spells of rain expected across parts of west and southwest. Lowest temperatures of 3 to 8 degrees. Westerly winds will back southerly and freshen, with strong and gusty winds near south and west coasts.

Saturday: A wet and windy start on Saturday with widespread heavy spells of rain. Through the early afternoon, the rain will ease and turn more showery, with further showers moving in the northwest come the evening. Fresh to strong and gusty south to southwest winds will reach gale force in some Atlantic areas. Humid with highest temperatures of 12 to 15 degrees, mildest across Munster and Leinster.

Saturday night: Scattered showers will continue to feed in from the west overnight, with isolated thunderstorms possible over the north and west. Parts of Munster and south Leinster will remain mostly dry overnight with clear spells developing. Lowest temperatures of 6 to 9 degrees in a brisk westerly wind.

Sunday: A crisp breezy day with sunshine and showers, some of which will be heavy in the west and north. Highest temperatures of 9 to 13 degrees in a fresh and gusty westerly wind.

Monday: Wet and windy with heavy and persistent rain moving in over southern counties at first. The rain will spread northwards through the morning, gradually easing as it does so. Further showery spells of rain will follow in behind come the evening time. Light to moderate easterly winds will veer southwesterly and strengthen moderate to fresh and gusty, with gales along Atlantic coasts. Mild, with highest temperatures of 14 to 16 degrees.