Whether Forecast: December 16, 2025 – Bulgaria
Table of Contents
Primary Topic: Weather Forecast
Primary Keyword: Bulgaria weather
Secondary Keywords: fog, temperature, Black Sea, mountain weather, wind, stratus cloud
Here’s a detailed weather forecast for Bulgaria as of December 16, 2025. This forecast covers conditions overnight thru tomorrow, December 17th, including temperatures, wind, and regional variations.
Overnight Conditions (December 16-17)
Tonight will be clear and quiet across much of Bulgaria. Plains and valleys are expected to experience fog or low stratus cloud formation. Minimum temperatures will range between -5°C and 0°C, with slightly milder temperatures observed along the Black Sea coast.
Tomorrow’s Forecast (December 17)
Plains and Valleys
Expect misty or partly cloudy conditions in the plains and valleys before noon. Visibility might potentially be reduced due to lingering fog.
Rest of the Country
Sunny weather will prevail in most areas, with scattered medium and high clouds. Winds will be generally calm, with light south-southeasterly breezes in eastern regions. Maximum temperatures will be between 7°C and 12°C, perhaps lower in areas where fog persists.
Mountain weather
The mountains will be mostly sunny with scattered medium and high clouds. A light wind, increasing to moderate in higher elevations, will blow from the south-southwest. Temperatures at 1200 meters altitude are expected to reach around 11°C, while at 2000 meters, the maximum temperature will be approximately 5°C.
Black Sea Coast
The Black Sea coast will enjoy mostly sunny conditions. A light wind will blow from the south-southeast. Maximum temperatures will range from 10°C to 12°C. The sea water temperature is currently between 11°C and 13°C, with sea conditions expected to be around 2 on the Beaufort scale (slight breeze).