Types of birthmarks. There are two main types of birthmarks: Vascular birthmarks are caused by incorrectly formed blood vessels in your childâs skin. Examples include: 1  infantile hemangiomas: the most common vascular birthmark, it usually appears within one to two weeks of birth.ypes of birthmarks. There are two main types of birthmarks: Vascular birthmarks are caused by incorrectly formed blood vessels in your childâs skin. Examples include: 1  infantile hemangiomas: the most common vascular birthmark, it usually appears within one to two weeks of birth.
Winds S at 5 to 10 mph. Chance of rain 40%. Evening: Partly cloudy. Low 36F. Winds WNW at 10 to 15 mph.
Lincoln, CA Weather. The average temperature of Lincoln is 58.78Â°F, which is lower than the California average temperature of 61.17Â°F and is higher than the national average temperature of 54.45Â°F. Historical Weather.