Traditional Culture Encyclopedia - Weather forecast - How accurate is the 7-day weather forecast?

How accurate is the 7-day weather forecast?

The accuracy rate is 70% to 80%.

The accuracy of weather forecast is relatively high for conventional weather forecast, such as three-day forecast, which can reach 70% to 80% globally. If it is a three-day forecast in a certain area, such as South China, the accuracy can be higher than 80%. The accuracy is higher within 24 hours, close to 92%.