Weather in Viana do Castelo

The weather forecast for Viana do Castelo is based on a comprehensive analysis of the results of several hydrodynamic models of the atmosphere. Each model forecast is taken into account with the necessary weight to achieve maximum accuracy of the result. A number of additional meteorological parameters are calculated using unique author methods. In addition, to refine forecasts in Viana do Castelo for today and tomorrow a special short range correction mechanism is used, so the quality of today, tomorrow and 1 - 3 days predictions is usually higher than for 5 days or a week 5-7 days. Due to some modern atmospheric model limitations, 10 day and 14 day weather forecasts for Viana do Castelo usually have lower accuracy, so they can only be used for evaluation purposes.