The weather forecast of Shanghai and Hangzhou depends on which website is more accurate.

The weather forecast of Shanghai and Hangzhou can be viewed through the following websites:

* Yahoo Weather: Provide weather forecast for the next ten days, including daily detailed weather, wind speed and positioning function.

* China Weather Network: the official authority issues weather forecasts, including three-hour weather forecast, 15 weather forecast, 40-day weather forecast, air quality, life index, travel, traffic weather and other query services.

* Gregorian calendar weather: free weather query software combining weather and Gregorian calendar functions, providing daily functions such as weather forecast, lunar calendar, calendar, personal fortune, lucky fingers, and modern functions such as disaster avoidance.

* Weather House: update the latest data in real time, provide accurate forecast, inquire about cities all over the country, go to county-level places in detail, forecast every hour, and automatically locate cities. The page is concise, green and without advertisements.

* Ink Weather: Support 196 weather query in more than 700,000 cities and regions in countries, provide humanized design and be easy to use.

The weather forecast data provided by these websites come from their respective meteorological agencies and partners, so the accuracy and reliability may change with the change of region and time. It is suggested that while viewing multiple websites, we should also pay attention to the official release of the local meteorological department to obtain the most accurate weather forecast information.