site.btaThe Weather on August 21

Cumulus cloud in the Western half of the country, mostly sunny in the Eastern. Rain showers with thunder and hail. Light to moderate easterly-northeasterly wind, northwesterly in the western regions. Highs: 27C to 29C in Western Bulgaria, 35C to 37C in Central and Eastern Bulgaria.

The Black Sea coast: Mostly sunny. Light to moderate northeasterly wind. Highs: 29C to 32C. Sea water temperature: around 28C. Sea waves height: 1 to 2 degrees Douglas. 

The mountains: Cumulus cloud with rain showers and thunderstorms. Moderate easterly-northeasterly wind. Highs: around 23C at 1,200 metres, around 15C at 2,000 metres.

Source: National Institute of Meteorology and Hydrology