Friday, 30 October, will be mostly cloudy on the Black Sea coast. There will be light rain in places, mainly on the south coast, and temperatures by the sea will reach 14C to 15C.
The wind will be moderate, from the north-northwest. The sea water is 16C to 17C, and waves will be 3-4 on the sea state scale.
It will be cloudy across Bulgaria too, with rain in many places, mostly in the west. Daytime temperatures will range from 11C to 16C. In the east, the wind will be light to moderate, from the north-northwest.
It will rain in many parts of the mountains, and above 2,000 metres it will snow. At 1,200 metres temperatures will be about 8C, and at 2,000 metres about 3C. On the higher ground the wind will blow from the south-southwest. Elsewhere in the mountains it will be light to moderate, from the east-northeast.
The weekend will be cloudy, with rain in many places and snow in the mountains above 1,600 metres. The wind will be up to moderate, from the southeast. Night temperatures will fall to 4C-9C, and daytime highs will reach 9C-14C.
The first two days of next week will be cloudy, with rain everywhere and heavy falls in many places. There will be thunder in the Rila-Rhodope region, and a moderate to strong northeast wind.
On Tuesday temperatures will drop. On higher plains and in the Fore-Balkan, the rain will be mixed with snow.
On Wednesday the wind will turn and blow from the north-northwest, and it will keep getting colder. It will rain in eastern Bulgaria, while in the west the rain will gradually stop.
Towards the end of the period the rain will stop everywhere and the clouds will break up. It will be fairly cold for the start of November, with lows mostly between 0C and 5C and highs between 5C and 10C.
Updated (30.10, 13:22): Highs on the Black Sea coast will be about 13C in the north and 14C in the south, not 14C to 15C as first forecast, BNT reports. On Saturday, the line between snow and rain in the mountains will be at about 1,800 metres, not 1,600, and the wind in eastern Bulgaria will blow from the northeast, not the southeast. Heavy rain is expected in many places across Bulgaria on Sunday.
Updated (31.10, 01:51): Local media report that the Black Sea will have a sea state of 2-3, not 3-4 as first announced. Highs along the coast will be 13°-14°, up to 14° in Burgas, with a wind of up to moderate strength from the north-northeast. Daytime temperatures across Bulgaria will range from 10° to 15°, with about 11° in Sofia. In the east, the wind will be light to moderate from the east-northeast. Lows will be between 7° and 12°, with about 7° in Sofia.