Southern Lake Michigan is warm from the end of June until early September (68F and above). Northern Lake Michigan is only warm from mid July until late August. (again 68F and above). The warmest the lake ever gets is in the low 80s (not very common) and that's only in the southern part.
Nobody knows
Depends where you are.
What is the current temperature of lake Michigan
yes
You can, Lake Michigan is fairly clean and the water temperature is cold, but tolerable from June-September.
Lake Michigan
Lake Michigan
Wisconsin is not separated by Lake Michigan. Michigan is separated by Lake Michigan and Lake Huron.
Yes. The Mackinac Bridge is regarded as the dividing line between Lake Michigan and Lake Huron (as this represents the narrowest point between these two connected bodies of water).
Lake Michigan separates lower Michigan from Wisconsin.
Minnesota; Touches Lake superior Wisconsin; Touches Lake superior and lake Michigan Michigan; touches Lake Superior, Lake Michigan , Lake Huron and Lake Erie. Illinois; Touches Lake Michigan. Indiana; Touches Lake Michigan.
cold
Michigan is effectively divided in two by Lake Michigan.
You can find lake Michigan going through Chicago.
Michigan