Internet Weather Forecast Accuracy

Forecastinging the weather is a major scientific challenge embracing physics, chemistry and mathematics.

The problem that faces meteorology is how to forecast the weather systems and the weather that they bring. This is always a great deal more difficult than most people would expect. There are different methods of forecasting: Persistence, Trends, Analog, Climatology and Numerical Weather Prediction.

But how accurate is this information? How much can we trust it? OmniNerd did some research to test the accuracy of online weather forecasts.