A timeline of notable weather events and extremes that have taken place in Ireland on October 17th throughout history.

1969: The Indian summer continues across Ireland, with temperatures rising into the high teens. The River Shannon is at its lowest level in nearly half a century. Parts of the northwest remain cooler, with occasional mist and drizzle.

1993: Overnight temperatures plummet, reaching -4.9°C in Birr, County Offaly, and -4°C at Casement, Dublin.

2017: Schools remain closed as authorities assess the impact of ex-Hurricane Ophelia, which struck Ireland the previous day.

2022: Cork Airport records the month’s highest daily sunshine total, with 9.7 hours.

2023: Storm Babet makes landfall, bringing heavy and prolonged rainfall to southern counties, particularly Cork. Significant flooding occurs in Midleton, Killeagh, Glanmire, and Blackpool, with parts of Cork City also affected. The rainfall in Midleton is described as a “1-in-2-year event,” while the more intense rainfall on the 18th is estimated as a “1-in-78-year event.” Combined over 36 hours, the event corresponds to a “1-in-200-year” recurrence.