National Forecast

Issued at: 16 May 2026 09:30

TODAY - Saturday 16th May

Generally cloudy with outbreaks of rain and drizzle moving eastwards across the country, clearing most areas in the afternoon. As the rain clears, it will be followed by sunny spells and scattered showers. Highest temperatures of 10 to 14 degrees in light to moderate south to southwest winds, becoming westerly with the clearance of the rain.

TONIGHT

Clear spells and well scattered showers at first, most frequent over Ulster. Cloud will increase overnight and outbreaks of showery rain will develop in the west and northwest. Lowest temperatures of 3 to 7 degrees in light to moderate west to southwest winds.

TOMORROW - Sunday 17th May

Cloudy and breezy tomorrow with outbreaks of showery rain becoming widespread through the morning. The showers will turn heavy and persistent at times, particularly during the late afternoon and evening. Some thunderstorms are possible too with hail. Highest temperatures of 9 to 13 degrees with a moderate to fresh southwesterly breeze developing.

National Outlook

Overview: Unsettled with rain or showers but gradually becoming milder in a southerly airflow.

Sunday night: The showers will ease early on, becoming mainly dry with clear spells for most. A wetter night further south with cloudier conditions in the southwest where showers will give way to outbreaks of rain and drizzle. Lowest temperatures of 2 to 7 degrees, coldest under clear spells in the north, in light southerly or variable winds.

Monday: Rain and cloud will spread from the southwest Monday morning, after a drier and brighter start further north. It will be rather dull and damp across the country through the day with the heaviest falls expected across south Munster. Highest temperatures of 11 to 14 degrees in moderate to fresh southerly winds.

Monday night: It will stay mostly cloudy with scattered outbreaks of rain on Monday night. Milder than recent nights with temperatures not falling below 8 to 11 degrees, in a light to moderate southerly breeze.

Tuesday: Mostly cloudy with outbreaks of rain clearing northeastwards through the morning with some sunny spells and scattered showers following. Highest temperatures of 12 to 16 degrees in a light to moderate and occasionally fresh south to southwest breeze.

Tuesday night: Outbreaks of showery rain will continue through the night clearing eastwards with drier and clearer weather developing towards morning. Lowest temperatures of 7 to 10 degrees in light to moderate southwesterly winds.

Wednesday: Outbreaks of light and patchy rain and drizzle with some bright spells in between. Turning cloudier from the southwest during the evening. Highest temperatures of 13 to 17 degrees in a moderate southwesterly wind.