Temperatures will drop slightly on Thursday

On Thursday, it will be mostly sunny with scattered high clouds. In the afternoon, cumulus clouds will develop mainly over Western Bulgaria, with a chance of isolated showers. There will be a light easterly and northeasterly wind. There will be a moderate wind in Eastern Bulgaria and the Danubian Plain. Maximum temperatures will range between 28°C and 33°C, around 29°C in Sofia.

In the mountains, it will be mostly sunny with scattered high clouds. Cumulus clouds will develop over the massifs in Southwestern Bulgaria in the afternoon, with a chance of isolated brief showers. There will be a light to moderate easterly and northeasterly wind. The maximum temperature at an altitude of 1,200 meters will be around 22°C, at 2,000 meters around 15°C.

It will be mostly sunny along the Black Sea coast, with scattered high clouds. There will be a moderate easterly and northeasterly wind. Daytime highs will range between 27°C and 30°C. The seawater temperature is around 25°C. Sea state 2-3 on the Beaufort scale.