You can simply go to, type in your ZIP code, city, and state, and you’ll see the additional data. ForecastAdvisorForecastAdvisor pulls from 12 different source APIs to calculate each of its percentages, including AccuWeather, AerisWeather, Foreca, the National Weather Service, OpenWeather, The Weather Channel and Weather Underground by IBM, Weatherbit, Weather News, Wetter, and World Weather Online, as well as the soon-to-be-closed Dark Sky.While Accuweather and The Weather Channel use proprietary weather forecast data, many other sources gather meteorological data from the United States National Weather Service. Each day, the forecasts are taken in the evening. The percentage of accurate forecasts for precipitation is called the accuracy. It is the accuracy percentage for temperature predictions within three degrees. Based on the 1-to-3-day accuracy percentages of high and low temperatures, icons and text forecast precipitation, and icon and rain forecasts, the overall accuracy percent can be computed. but these are not the only ones available. ForecastAdvisor allows you to access the most popular source APIs in the U.S. ForecastAdvisor displays a percentage which shows how accurate each source was in the past month or last year. ForecastAdvisor collects forecasts from various weather services every day and compares them with what actually happened. ForecastAdvisor is a great tool to find the most accurate forecastsįorecastWatch’s ForecastAdvisor, a website designed to assist you in finding the best weather apps or APIs for your location, is an excellent tool.

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