In view of the changes of the weather,especially the weather in the south,people need to master the specific weather during the travel periods,including daily travel(going work or school),business trips,tourism,and so on,and make corresponding travel arrangements.This designed system crawls weather data everywhere from data sources such as China News Network,uses Spark technology for data processing and retrieval,and draws various charts and graphs through ECharts library,to show the change trend of weather data in different cities.And the Linear Regression algorithm is used to predict and analyze the weather data.The system can realize the real-time weather search in 304 cities,predict the temperature in the next 3 days,and analyze the real-time temperature,precipitation,wind force,air pressure,humidity,and so on,providing an efficient and convenient method for people to check the weather.