National Forecast

Issued at: 03 September 2026 20:30

TONIGHT

Cloudy and wet early tonight with widespread rain and drizzle, turning heavy at times. The rain will gradually clear southeastwards overnight and will be followed by clear spells and scattered showers. Lowest temperatures of 11 to 14 degrees with light to moderate southwest winds, increasing fresh to strong and gusty in the west and northwest.

TOMORROW - Friday 4th September

Tomorrow will be bright and breezy with scattered showers. Most of the showers will be over the northern half of the country, so much of Munster and south Leinster could stay dry for the day. Cooler and fresher than recent days with highest temperatures of 15 to 18 degrees, in a moderate to fresh and gusty westerly breeze.

National Outlook

Friday night: Clear spells and scattered showers at first, becoming isolated overnight. Patches of mist will form as southwest to west winds become light. Lowest temperatures of 8 to 12 degrees.

Saturday: Saturday morning will start mostly dry with just isolated showers and patches of mist. Cloud will increase through the morning and rain or drizzle will develop in the southwest. This will extend northeastwards to most areas through the day. There'll be mist and hill fog too. Highest temperatures of 15 to 19 degrees with light to moderate south to southwest winds turning south to southeast.

Saturday night: Cloudy and damp early on Saturday night with scattered rain or drizzle, mist and hill fog. Becoming drier overnight as the rain becomes isolated. Mild and humid with lowest temperatures of 13 to 16 degrees, in a moderate to fresh southerly breeze.

Sunday: Sunday will be a breezy day with fresh and gusty southerly winds. Mostly cloudy with outbreaks of rain moving eastwards across the country. Highest temperatures of 18 to 22 degrees.

Sunday night: Rain will clear from the east early on Sunday night, giving way to mostly dry conditions with clear spells and isolated showers. Winds will ease, becoming light to moderate westerly. Lowest temperatures of 10 to 14 degrees.

Monday: Monday morning will be dry with sunny spells but it'll become cloudy, wet and breezy for the afternoon as a spell of rain moves in from the west. Top temperatures of 15 to 18 degrees with moderate to fresh and gusty southwesterly winds.

Monday night: The rain will clear eastwards early on Monday night, however there's a possibility that another spell of rain will move in to southern areas overnight, while patches of mist and fog form further north. Lowest temperatures ranging between 8 degrees in the north and 14 degrees in the south, with light to moderate west to southwest winds becoming light and variable.

Tuesday: There is uncertainty in the details but there is potential for a spell of wet and breezy weather during Tuesday and Tuesday night. Highest temperatures on Tuesday of 13 to 19 degrees, warmest in the south.