Windsor residents can expect mainly sunny skies and mild temperatures Saturday with a high of 19 C, according to Environment Canada. Clear skies are expected overnight, with temperatures dropping to a low of 8 C. Fog patches are expected to develop overnight. Sunday will bring sunny skies and another high of 19 C. Fog patches are expected to dissipate in the morning. Cloudy periods are expected Sunday night, with a low of 9 C.