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Is the displayed temp a real time reading or a predicton as other forcasts. If real time, what is the time delay between reading and posting
It is a forecasted temperature and this forecast is linked to the model which is used so the value can be (slightly) different from one model to the other. If you wish to know the real temperature, you should check the closest weather sation to your location. You can use Windy to display the weather station data : https://community.windy.com/topic/7809/windy-version-18-00-with-new-observation-vs-forecast-feature-arome-model-and-more?_=1603561547616