Lucerne is an unincorporated community and a U.S. Post Office in Weld County, Colorado, United States.

The Lucerne Post Office has the ZIP Code 80646.

[2] The post office has been in operation since 1892.

[3] The community was named after the lucerne that grew near the original town site.

[4] Lucerne is located at 40°28′55″N 104°41′53″W / 40.48194°N 104.69806°W / 40.48194; -104.69806 (40.481948,-104.698162).