On Friday, minimum temperatures will range from 2° to 7°C, reaching up to 10°C along the Black Sea coast. In the valleys, temperatures may drop below 0°C, while in Sofia it will be around 2°C. In the morning, fog or low cloud is possible in some lowland areas. During the day, skies will be mostly sunny with some high, scattered clouds. Winds will be light. Maximum temperatures will range from 18° to 23°C, around 19°C in the capital.

Along the Black Sea coast, it will be mostly sunny, with reduced visibility in some areas in the morning. Maximum temperatures will be 19°–21°C. Sea temperatures will range from 16° to 18°C, with gentle waves at 1–2 on the Beaufort scale.

In the mountains, it will be sunny with light winds. Maximum temperatures at 1,200 metres will reach around 16°C, while at 2,000 metres they will be about 9°C.

On Saturday, weather conditions will remain largely unchanged. More fog is expected in the morning along the Danube. Minimum temperatures will rise slightly to between 3° and 8°C, while daytime highs will fall a little, ranging from 17° to 22°C.