Abstract: There is provided a new and useful golf bag cover for the improved protection of a golf bag and its contents from rain and like precipitation. The cover is made up of first and second flexible planar sheets, each of elongated and preferably generally rectangular configuration. The first sheet has a top and a bottom portion while the second sheet also has a top and a bottom portion but the top portion extends beyond the top portion of the first sheet. The second sheet is further provided with an overlapping pair of flaps at an upper area of the second sheet extending downwards over the top portion of the first sheet. The first and second sheets are fastened substantially continuously along a side edge of each of said sheets.