The Black Sea coast will see clouds and rain in places on Sunday, with a moderate wind blowing from the northeast and turning strong at times, the official forecast shows. The heaviest rain will fall in the southernmost part of the coast.

Daytime temperatures by the sea will reach 21 to 23 degrees. The sea will be just as warm, with waves of 3-4 on the Beaufort scale.

Most of Bulgaria will see sunshine, with cumulus clouds building up in the afternoon. The east and the mountains will stay mostly cloudy for much of the day, with isolated showers, and the far southeast will get the most rain.

A moderate northeast wind will blow, picking up at times in the east and in parts of the far south. The country's highest temperatures will range from 18 to 23 degrees, with around 19 in Sofia.

The mountains will also be cloudy, with light rain in isolated spots across the western ranges. In the Strandzha mountains, rain will cover more ground and fall more heavily. Temperatures will be around 11 degrees at 1,200 metres and about 4 degrees at 2,000 metres. Mountain winds will be moderate, but will blow strongly from the east-northeast at times in the Eastern Balkan range, the Eastern Rhodopes and Strandzha.