Weather Forecast + Model Comparison

Three forecast models measured against real thermometer readings. Which one is most accurate?

William Opyrchal · 2026 · Forecast data from National Weather Service and ECMWF AIFS via Open-Meteo · Historical verification via Iowa Mesonet ASOS · WeatherNext historical forecast data by Google DeepMind, licensed under CC BY 4.0; ensemble mean of 64 members computed from source data · View source on GitHub