Réamhaisnéis Náisiúnta

Issued at: 22 August 2026 20:30

TONIGHT

Dry and calm tonight with clear spells. Chilly with lowest temperatures of 5 to 9 degrees with the chance of localised grass frost. Some mist and fog will develop also.

TOMORROW - Sunday 23rd August

On Sunday morning, any mist and fog will clear quickly, leaving a mostly dry and calm day with sunny spells. There is just the chance of an isolated shower in Ulster. After a cool start, highest temperatures will reach 17 to 22 degrees, warmest for southern counties.

National Outlook

Overview: Plenty of dry weather on Monday but turning more unsettled from Tuesday onwards with spells of rain, possibly turning heavy.

Sunday night: Remaining dry with clear spells. Some mist and fog patches will develop once again in a light southeast or variable breeze. Lowest temperatures of 6 to 10 degrees.

Monday: Another largely dry and bright day with spells of sunshine. Scattered light showers will spread from the south later. Rather warm with highest temperatures of 19 to 23 degrees in light to moderate east to southeast winds.

Monday night: Becoming cloudier overnight with scattered patches of rain and drizzle spreading from the south. A milder night with lowest temperatures of 11 to 16 degrees in a light to moderate east to southeast breeze.

Tuesday: A generally cloudy day with outbreaks of rain and drizzle. A spell of heavier rain will push into the south and southwest towards evening. Highest temperatures of 18 to 22 degrees in moderate east to southeast winds.

Wednesday: Cloudy for most on Wednesday with outbreaks of rain, turning heavy and possibly thundery in places as the day goes on. Highest temperatures of 18 to 23 degrees in moderate easterly winds.

Further outlook: Remaining unsettled to end the working week with further spells of rain, some possibly turning heavy.