During the night the weather will be clear. Tomorrow will be sunny and hot, with fog or low clouds in some parts in the morning. In the afternoon, mostly over the mountains in Western Bulgaria cumulus clouds will form and there may be brief showers. There will be a light, in Eastern Bulgaria to moderate wind from the East-Northeast. Maximum temperatures 32-37° C., a little lower over the Black Sea coast, for Sofia around 33° C.

Along the Black Sea coast the weather will be predominantly sunny, with low clouds or fog in places in the morning. There will be a light to moderate Easterly wind. Maximum temperatures 28-31° C., temperature of the sea water 25-28° C. The sea swell will gradually increase to reach sea state levels of 3-4.

Over the mountains the weather will be predominantly sunny, with cumulus clouds developing in the afternoon, and brief showers in some parts. There will be a light, on higher open ground to moderate wind from the East-Northeast. Maximum temperature at an altitude of 1,200 m around 27° C., at 2,000 m. around 19° C.