National Forecast
Issued at: 02 September 2026 13:25
TODAY - Wednesday 2nd September
Mostly cloudy early this afternoon with patches of light rain, drizzle and mist. Some sunny breaks will occur, mainly in the south and east. More persistent rain or drizzle will develop in the west and northwest later this afternoon and this evening. Mild and humid with highest temperatures of 17 to 23 degrees. Light to moderate southwesterly winds, increasing fresh at times.
TONIGHT
Early tonight will be mostly cloudy with scattered light showers and patches of mist. Overnight, the showers will become isolated and some clear spells will develop. Mild and humid with lowest temperatures of 12 to 16 degrees, with mostly light to moderate southwesterly winds, fresh at times in the northwest.
TOMORROW - Thursday 3rd September
Scattered light showers and occasional hazy sunny spells tomorrow morning. It will become cloudy and wet through the afternoon as rain spreads from the west. The rain will continue in most areas into the evening and will be heavy at times, particularly in the south and southeast. Mild and humid with highest temperatures of 17 to 22 degrees, in a light to moderate south to southwest breeze, freshening at times in the west and northwest.
National Outlook
Overview: Turning wet and breezy at times as unsettled conditions continue for the remainder of the week and into the weekend.
Thursday night: Starting off wet with widespread rain, turning heavy at times. The rain will move southeastwards through the night, clearing the south of the country towards morning. Drier and clearer conditions will follow, with just a few showers feeding into the northwest. Lowest temperatures of 11 to 15 degrees, with mostly light to moderate southwesterly winds, but stronger near southern and northwestern coasts.
Friday: Breezy with sunny spells and scattered showers. The showers will mainly affect the northern half of the country, especially Ulster, with parts of the south staying dry for the day. Cooler than previous days with highest temperatures ranging from 15 degrees in the northwest to 18 degrees in the southeast, with moderate to fresh westerly winds.
Friday night: Dry and clear for most with just a few showers affecting western and northern coastal area. Lowest temperatures of 9 to 12 degrees, with westerly winds easing light to moderate southwesterly.
Saturday: Turning wet and breezy from Saturday afternoon as rain spreads across the country from the southwest. While there is uncertainty in the detail, current indications are for the heaviest and most persistent rain in the west and north. Highest temperatures of 16 to 19 degrees, with southerly winds increasing moderate to fresh.
Sunday: Breezy again on Sunday with further rain or showers, easing in the evening. Highest temperatures of 18 to 22 degrees, with moderate to fresh southerly winds veering northwesterly.
Further outlook: Continuing unsettled into next week and turning wet and windy at times. Becoming cooler into midweek too.
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.