A one-day temperature forecast is now typically accurate within about two to 2.5 degrees, according to National Weather Service data. https://www.washingtonpost

A one-day temperature forecast is now typically accurate within about two to 2.5 degrees, according to National Weather Service data. https://www.washingtonpost.com/opinions/five-myths-about-weather-forecasting/2015/01/02/e49e8950-8b86-11e4-a085-34e9b9f09a58_story.html https://www.washingtonpost.com/opinions/five-myths-about-wea...