Long Range Weather Forecast for Ireland
A period of unsettled weather is expected to continue across Ireland, with frequent rainfall and fresh to strong winds lasting into at least the second week of September.
Today – Wednesday
Heavy rain will clear the far north and northeast by mid-afternoon. Scattered heavy showers in the west will spread inland, some merging into longer spells of rain across Connacht. Showers will continue overnight, with thundery downpours in places, while the far south and southeast stay mostly dry.
- Temperatures: 15–19°C, coolest in the west
- Winds: Fresh south-westerly
Thursday
Widespread heavy showers, merging at times into longer spells of rain. Localised downpours may cause spot flooding, particularly in western counties.
- Temperatures: 13–17°C, coolest in the west
- Winds: Fresh south-westerly, occasionally strong, veering westerly later
Friday
Drier overall compared with recent days. Scattered showers, some heavy, will ease through the afternoon and evening.
- Temperatures: 15–20°C, coolest in the west, warmest in the southeast
- Winds: Moderate to fresh westerly
Saturday
Scattered outbreaks of rain with heavy bursts possible, leading to localised flooding. Rain will clear most areas by evening but may linger in the northwest. A rapidly deepening low pressure system could bring strong winds.
- Temperatures: 15–19°C, coolest in the north and west
- Winds: Light variable, increasing fresh to strong westerly
Sunday
A dry start in eastern counties before widespread showers develop, some merging into downpours. A more persistent band of rain will spread from the west later.
- Temperatures: 14–19°C, warmest in the southeast
- Winds: Moderate westerly
Next Week
Unsettled conditions will persist into early September, with Atlantic systems bringing frequent rain and showers. Rainfall amounts will be above average, with cooler-than-average temperatures and fresh winds. Nights will turn notably cooler. There are tentative signs of high pressure building from the south during the second week of September, which may bring drier conditions to the south and southeast, though it will remain unsettled elsewhere.
