Weather Central: Sheboygan - Current conditions, seven day forecasts, area weather maps and satellite pictures. - http://www.weathercentral.com/weather/us/cities/wi_sheboygan.html
Weather Underground: Sheboygan, Wisconsin Forecast - Advisories, Forecast and Current Conditions for Sheboygan and Sheboygan Falls. Historical weather statistics also available. - http://www.wunderground.com/US/WI/Sheboygan/
National Data Buoy Center - Real-time weather data and statistics from the station at the Sheboygan Harbor Lighthouse. - http://www.ndbc.noaa.gov/station_page.phtml?$station=sgnw3