November in Portland is the windiest month of the year. In November, the weather in Portland is typically warm. Average daily high temperature in November is about 10 degrees above zero. On average, Portland has 21 rainy, 5 sunny, 3 cloudy, and 1 partly cloudy day in November. The rains are usually heavy. November as well as January, February, March, and April is considered the most uncomfortable time to visit Portland.