A timeline of notable weather events and extremes that have taken place in Ireland on October 18th throughout history.

1921: Dublin records its highest-ever temperature for the date, reaching 20.6 °C.

1993: Overnight lows drop to –4.8 °C in Kilkenny and –4 °C in Mullingar.

2023: Midleton, County Cork, suffers severe flooding following heavy rainfall from Storm Babet. Cork Airport records 55.6 mm of rain, the highest daily total for October since 1995.

2024: Storm Ashley, named by Met Éireann, brings strong southerly winds and high spring tides to western Ireland, causing coastal flooding and large waves.