site.btaThe Weather on May 9

Overnight rain and thunderstorms to cease, with cloud cover decreasing by morning in many areas. Strengthening west-northwesterly wind will bring in cooler air. Lows: 7C to 12C, around 8C in Sofia. Atmospheric pressure will remain stable, close to the monthly average.

Mostly sunny but windy on Friday. Isolated rain showers possible in some areas. West-northwesterly wind, light to moderate in northern Bulgaria and the Upper Thracian Plain. Cloud cover will increase from the southwest later in the day, with rain expected by evening, gradually spreading overnight. Highs: 18C to 23C. In Sofia: around 19C.

Black Sea coast: Mostly sunny. Light to moderate west-northwesterly wind along the northern coast. Highs: 21C to 23C. Seawater temperature: 13C to 15C. Sea waves: 1 to 2 degrees Douglas.

Mountains: Mostly sunny with minimal precipitation. In the evening, cloud cover and rain will increase from the south-southwest. Moderate southwesterly wind turning northwesterly and strengthening in the evening. Highs: 14C at 1,200 metres, 6C at 2,000 metres.

Source: National Institute of Meteorology and Hydrology