TonightMostly clear, with a low around 73. Calm wind. WednesdayShowers and thunderstorms likely, mainly after 3pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.Wednesday NightA 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. ThursdayA slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 89. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 80%.Thursday NightShowers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.FridayA chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 88. Chance of precipitation is 70%.Friday NightShowers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 60%.SaturdayA 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89.Saturday NightA 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71.SundayA 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.Sunday NightA 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.MondayA 40 percent chance of showers and thunderstorms. Sunny, with a high near 93.Monday NightA 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.TuesdayA 50 percent chance of showers and thunderstorms. Sunny, with a high near 93. , Marietta, GA Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days., Be prepared with the most accurate 10-day forecast for Marietta, GA with highs, lows, chance of precipitation from The Weather Channel and Weather.com.