National Forecast
Issued at: 03 September 2026 09:30
TODAY - Thursday 3rd September
A mix of light scattered showers and hazy sunshine at first. Through the afternoon it will become cloudy and wet as rain spreads from the west. Rain will turn heavy and persistent at times later this afternoon and evening, particularly in Munster and south Leinster. However, the rain will ease in the northwest this evening. Feeling mild and humid with highest temperatures of 17 to 22 degrees, in a moderate west to southwest wind, strong at times near northwest coasts.
TONIGHT
Rain will persist over the southern half of the country for a time early tonight but will gradually clear from southern counties by morning. Further north, drier and clear spells will develop with just isolated showers developing. Lowest temperatures of 11 to 14 degrees in light to moderate west to southwest winds, strong & gusty near Atlantic coasts and over Donegal.
TOMORROW - Friday 4th September
Tomorrow Friday, will be bright and breezy with scattered showers, mostly affecting the northern half of the country. Some southern counties may remain dry for the day. Cooler than previous days with highest temperatures of 15 to 18 degrees, in moderate to fresh westerly winds, strong and gusty along west and north coasts.
National Outlook
Friday night: Dry for most with clear spells and just isolated showers affecting west and northwest coastal regions. Lowest temperatures of 9 to 12 degrees, with westerly winds easing light to moderate southwesterly.
Saturday: After a mostly dry start, Saturday will turn wet and breezy through the afternoon as rain spreads 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.
Saturday night: Rain and drizzle will clear to the northeast with dry and cloudy conditions elsewhere. Mild with lowest temperatures of 13 to 16 degrees, coolest in the north, in light to moderate southerly winds, strong along west Atlantic coasts.
Sunday: Wet and breezy with showery spells of rain becoming widespread through the afternoon. Highest temperatures of 18 to 22 degrees, with moderate to fresh southerly winds veering northwesterly.
Monday: Scattered showers will spread eastward through the morning, as more persistent rain moves in from the southwest and spreads across the country through the afternoon. Highest temperatures of 15 to 19 degrees, warmed in the south, in light to moderate westerly winds, strong along the northwest coast.
Tuesday: Feeling crisp and breezy with scattered showers from the northwest. Moderate to fresh northwesterly winds, strong along the west and north coasts.
Further outlook: Conditions are expected to remain unsettled with unseasonably wet and breezy weather at times. Temperatures will be noticeably cooler, ranging in the low to mid teens.
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.