Grapevine (Vitis vinifera L.) cultivation is influenced by the weather.Phenological observations in the Czech Lands have a long tradition, but choice of a suitable station is not simple. Finally were selected station Velké Pavlovice and Velké Žernoseky, these stations have meteorological elements observation.The paper examines also the dynamics of phenophases and try to find connection between the recent climatic changes and variation of phenophases and their impact on the viniculture.