National Forecast
Issued at: 22 August 2026 05:00
TODAY - Saturday 22nd August
Today will be dry with spells of sunshine, though there is the chance of the odd light shower in the north and west. Highest temperatures of 16 to 21 degrees, coolest in the north and mildest in the south, in a light northerly breeze.
TONIGHT
Tonight will stay dry with clear spells, though a little cloudier in the northwest with the chance of a light shower. Some mist and fog will develop. Chilly with lowest temperatures of 5 to 9 degrees, possibly a touch lower locally, with near calm conditions or a light variable breeze.
TOMORROW - Sunday 23rd August
Tomorrow morning, any mist and fog will clear quickly, leaving a mostly dry day with spells of sunshine. There is the chance of an isolated shower in Ulster. Highest temperatures of 17 to 22 degrees in a light variable breeze.
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. Highest temperatures of 18 to 22 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.
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.