Saturday will start with fog. Highs on the Black Sea coast will be around 15C, with a moderate to strong north wind. Light rain is likely before noon, mostly on the southern coast.

Cloud over the sea will often be heavy. The sea is 18-19C. Lows in eastern Bulgaria and on the Black Sea coast will be 5-8C.

Light rain will continue overnight in the southeast. The wind will ease and die down in most places.

Fog will form in the morning near lakes and reservoirs, in valleys and on plains. The sky will be partly cloudy during the day. The southeast will get a little more rain before it stops. A light to moderate wind will blow from the west-northwest.

Lows across Bulgaria will range from minus 1C to 4C, and will be about 1C in Sofia. Daytime highs will be 12-17C, with about 12C in the capital.

The mountains will be partly cloudy with almost no rain, and a moderate wind from the north-northwest. Highs on the peaks will stay below zero. Musala will warm to minus 5C at most, and Botev and Cherni Vrah to minus 2C.

In the Balkans on Saturday, highs will rise slightly almost everywhere, with changing cloud and a few showers. Rain will fall for another day in many parts of western Europe. The Iberian Peninsula can expect rain and slightly cooler weather.

Sunday will be warmer than Saturday. It will be partly cloudy, with heavy cloud most of the time. Rain is unlikely. Lows will be 3-8C and highs 15-20C.

The first half of next week will bring some sunshine, but cloud will come and go, with light rain in places. Rain is expected in the northeast on Tuesday and in western Bulgaria on Wednesday. Temperatures will keep rising. On Wednesday lows will be 5-10C and highs 17-22C.