![]() Some services augment the data with thousands of home weather stations, user reports, or other forecast services. While Accuweather and The Weather Channel use proprietary weather forecast data, many other sources gather meteorological data from the United States National Weather Service. ForecastAdvisorįorecastAdvisor 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. The forecasts are collected in the evening each day. Precipitation accuracy is the percentage of correct forecasts. Temperature accuracy is the percentage of forecasts within three degrees. The overall accuracy percent is computed from the one- to three-day out accuracy percentages for high temperature, low temperature, icon forecast precipitation (both rain and snow), and text forecast precipitation (both rain and snow). While these are definitely not all of the source APIs available in the U.S., ForecastAdvisor provides a solid place to start using the ones tracked publicly. When viewing a location, ForecastAdvisor shows you a percentage that measures the accuracy of each source in the last month and last year. and verifies them against what really happened using data provided by the National Weather Service Automated Surface Observing System (ASOS). It collects weather forecasts from different weather services each day for various locations across the U.S. Use ForecastAdvisor to Find the Most Accurate ForecastsįorecastWatch's ForecastAdvisor is a great website that can help you find out what weather API or app is most accurate for your area. Don't Miss: 16 Ways to Customize Your iPhone's Weather App.And if none of those are good enough, you always have the option to predict the weather yourself. Luckily, there is a valuable resource that'll help you find the best weather API for your location, which can help you pick the best mobile app for more accurate weather outlooks. Many of these won't even state what data source is used for weather predictions, and data sources can vary wildly in accuracy across the United States. And with the famous Dark Sky API shutting down on March 31, 2023, you'll need an alternative source of weather information if you use an app that utilizes that API.įinding an accurate weather app isn't easy since there are so many different ones to choose from in the App Store (iOS/iPadOS) and Play Store (Android). When you're looking at the forecast, you hope that it's at least semi-accurate so you can plan the week and days ahead, but many sources are unreliable. If you think this is your height of anti-consumer behavior, you're blessed in who you're shopping with.Not all weather sources are equal. If you open the app itself and look at their options for purchasing a subscription, it gives you plenty of information that's clear and explains the levels. ![]() What's anti-consumer is how the app store obfuscates things in their UI. So CARROT's Maker either had to offer a subscription or not add these awesome features at all." Without charging extra for the subscription, in just one year it would cost CARROT more to supply weather data than a $4.99 upfront payment for the app. "The subscription is necessary because weather data is very expensive. They even do a decent job on your link of explaining why they charge money: ![]() I'm literally not seeing anything that costs $30/month on either of your links, or in the app. ![]() The higher levels are mostly intuitively as a developer, things that cost more money to provide in terms of infrastructure and access to paid APIs.Īlso, I'm not sure what you're looking at, but looking in the app, Premium Ultra, which seems to only give you notifications for lightning and storm cells, as well as tidal data and the ability to hook up to your own weather data source, is $29.99/year. At the same time, I mostly understand their levels. ![]()
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