Lake San Marcos Weather Today

Lake San Marcos is a census-designated place in San Diego County, California, United States. It is located near the city of San Marcos and is situated at the northern end of Lake San Marcos. The climate in Lake San Marcos is classified as a Mediterranean climate, with warm, dry summers and mild, wet winters. The average weather year round is mild with temperatures ranging from lows in the mid-40s to highs in the mid-60s in the winter months and highs in the mid-70s to mid-90s in the summer months. Rainfall is typically highest in December and January, and lowest in the summer.