Temperature in Williams Bay, Wisconsin, USA United States of America Check the temperature anywhere in the worldCheck Temperature67.7°F19.8°CCloudyFeels like 63.1°FWeather observation: 2026-10-23 16:45 (local time)What's the Average Temperature in Williams Bay, Wisconsin, USA United States of America?Check the average temperature this time of year →Explore by seasonSpring →Summer →Autumn →Winter →Select a monthMonth JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember View average →