February weather forecast in Atherton

February in Atherton is the cloudiest month of the year. In February, the weather in Atherton is typically warm. Average daily high temperature in February is about 24 degrees above zero. On average, Atherton has 28 rainy and 1 sunny day in February. The rains are usually heavy. February as well as January, March, and December is considered the most uncomfortable time to visit Atherton.