October weather forecast in Grass Valley

In October, the weather in Grass Valley is typically warm. Average daily high temperature in October is about 25 degrees above zero. On average, Grass Valley has 23 sunny, 4 rainy, and 4 partly cloudy days in October. The rains are usually heavy. October as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Grass Valley.