weather in cannon beach, oregon fahrenheit
Oregon Weather > Cannon Beach Weather Cannon Beach, OR Weather Cannon Beach, OR climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's. The warmest month of the year is September with an average maximum temperature of 69.60 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 38.40 degrees Fahrenheit.