Erwin Weather Today

Erwin is a small town in Unicoi County, Tennessee, in the United States. The climate in Erwin is generally mild throughout the year. Summers are warm and humid, and temperatures rarely exceed 90 degrees Fahrenheit. Winters are short and mild, with temperatures rarely dipping below freezing. Average precipitation is around 45 inches per year, with the majority falling in the spring and autumn months. The town experiences four distinct seasons, with the spring and summer months characterized by warm temperatures and ample sunshine.