The most accurate weather apps in 2023 include The Weather Channel, AccuWeather, and Weather Underground. According to a study by ForecastWatch, AccuWeather was found to be the most accurate weather app, with the lowest absolute error rate
. The Weather Channel is also highly rated and has over 425 million monthly users
. However, the accuracy of weather sources can depend on your location and its weather changeability. It's important to consider the specific features and functionality you need, such as detailed local forecasts, advanced radar maps, or specific environmental information like wind speeds and humidity, when choosing a weather app.