site.btaThe Weather on December 18

December 18: Mostly sunny. Light to moderate westerly wind. Fog and low clouds in the morning hours in some places in the Upper Thracian Plain and the basins of Southwestern Bulgaria. Lows: minus 3C to 2C, around minus 2C in Sofia. Highs: 8C to 13C, 8C to 9C in Sofia.

Black Sea cost: Mostly sunny. Light westerly wind. Highs: 9C to 10C. Sea water temperature: 9C to 10C.

The mountains: Sunny. Light north-northwesterly wind, up to moderate in the high-lying areas. Highs: around 8C at 1,200 m, around 3C at 2,000 m.