Earthquake concerns continued as Istanbul experienced a 3.5 magnitude tremor in the evening, after a 4.9 quake in Elazığ earlier in the day. Istanbul Governor issued a storm warning for Monday, while AFAD conducted a national earthquake drill. Meteorological warnings about heavy rainfall accompanied public anxiety about seismic activity.
CHP leader Özgür Özel visited İmamoğlu at Silivri, declaring "İmamoğlu is our candidate" amid the ongoing corruption investigation. İmamoğlu called for "speaking out together" against the allegations. The İBB probe expanded with new detentions, including İSKİ General Manager Başa.
The day marked the anniversary of the April 27, 2007 e-memorandum, with multiple government officials issuing statements framing it as "death throes of Kemalist tutelage." Late evening brought reports of a landslide in Samsun with people trapped under soil, prompting rescue operations at a gas station.