Weather conditions in Bulgaria on May 14, 2026 are expected to remain unstable, with a mix of sunshine, cloud development, and localized precipitation, according to forecasts from the National Institute of Meteorology and Hydrology (NIMH). The country will be under the influence of a decreasing atmospheric pressure system, leading to changeable conditions throughout the day.

Daytime temperatures will generally range between 17 and 22 degrees Celsius, with Sofia expected to reach a maximum of around 18 degrees. The day will begin with mostly sunny skies, but cloud cover is expected to build in the afternoon, particularly over eastern regions and mountainous areas, where short-lived rain showers may occur.

During the night, cloudiness will increase significantly over Southern Bulgaria, with meteorologists warning of scattered showers and possible thunderstorms in some locations. As noted in the NIMH forecast, “In the Danube Plain, a weak to moderate wind will blow from the west-northwest.” Minimum temperatures across the country will remain between 5 and 10 degrees.

Mountain regions such as the Rhodopes, Strandzha, and Belasitsa are expected to see increased cloud formation after midday, with light precipitation possible in places. At around 1200 meters altitude, temperatures will reach approximately 11 degrees Celsius.