The atmospheric pressure will continue to decrease. On December 21st, it will be predominantly cloudy, with reduced visibility and fog in many places during the day. Rain is expected in the eastern half of the country. More sunny hours will be present in the southwestern regions.

The wind will be weak from the north-northeast, in the southwestern parts – almost calm. Maximum temperatures will be between 4° and 9°, along the Black Sea coast – up to 12°, for Sofia – around 7°.

At the sea: Cloudy, with light rain in places. Wind from the north-northeast. Temperatures between 10° and 12°. Sea water temperature: 11°-13°. Sea state: 2-3 Beaufort.

Over the mountains: Sunny weather prevails in Southwestern Bulgaria. In other places cloudy, with rain in the Eastern Stara Planina and Strandzha. Wind from the north-northwest. Temperature at an altitude of 1200 meters around 5°, and at 2000 meters – around 1°.

Astronomical winter begins at 17:03.