Clear and almost calm weather will prevail overnight. Friday will be mostly sunny. Visibility will be reduced in the morning hours in places in the valleys. The cloudiness will start to increase from the west and in the afternoon in many places in the western regions of Bulgaria there will be short-term, temporarily intense rain showers, accompanied by thunder. There will be more sunny hours in the eastern regions of Bulgaria. The highest temperatures will be between 27° and 32°C; in Sofia - around 26°C.

It will be mostly sunny in the mountains. Before noon, the cloudiness from the west will begin to increase and in the afternoon in the massifs of Western Bulgaria there will be short-term, temporarily intense rain showers, accompanied by thunder. There will be moderate to strong south-westerly wind. The highest temperature at an altitude of 1200 meters will be about 21°C; at 2000 meters - about 14°C.

It will be mostly sunny at the Black Sea coast. In the morning hours, visibility will be temporarily reduced in places, mainly along the southern part of the coast. There will be moderate south-easterly wind. The highest temperatures will reach 26°-30°C. The temperature of the sea water is 24°-26°C.