The weather and beach report for Mason County is sponsored by Superior Electric of Ludington: 231-845-0126; www.supelectric.com. Lake Michigan surface temperature at Stearns Park beach: 64 F. Monday, June 30, 2014. Cloudy and windy with a slight chance of afternoon thunderstorms. A few storms may be severe. High 76 F in Ludington. High of 78 F in Scottville. Winds SSW at 20…