Met Éireann forecasts temperatures across the Republic of Ireland will reach up to 30 °C by the end of this week [1].
This sudden spike in temperature is significant because Ireland rarely experiences such high peaks, which can strain public infrastructure and impact public health. The warmth is driven by a broader heatwave currently affecting mainland Europe, which is pushing unusually warm air toward the island [1].
The national meteorological service said high temperatures are forecast for the coming week, with a peak of 30 °C expected on Thursday, June 25, 2026 [1]. While the peak arrives later in the week, the warming trend begins immediately. Temperatures at the start of the week are expected to reach the high 20s, specifically around 27 °C [1].
Met Éireann said, "High temperatures are forecast for the coming week, with a peak of 30C expected on Thursday" [1]. This forecast aligns with the movement of air masses from the continent, a common driver of extreme heat events in the region.
While some reports have suggested these temperatures might not peak until next week, Met Éireann said the peak will occur this Thursday [1]. The service continues to monitor the European heatwave to determine if the warm air will persist beyond the current forecast window [1].
“High temperatures are forecast for the coming week, with a peak of 30C expected on Thursday.”
The arrival of 30 °C temperatures in Ireland reflects a growing trend of continental heatwaves spilling over into the Atlantic fringe. Because Irish infrastructure is designed for temperate, damp climates rather than extreme heat, such spikes can lead to increased energy demand for cooling, and potential health risks for vulnerable populations who lack acclimation to high temperatures.
