


NWS Forecast for: Marietta, Cobb County-McCollum Field Airport GA Issued by: National Weather Service Peachtree City, GA Last Update: 2:41 pm EDT Jul 15, 2025 | |
This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Heat index values as high as 102. Calm wind. Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. Wednesday: A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 99. East wind around 5 mph. Chance of precipitation is 20%. Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 20%. Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. South wind around 5 mph. Chance of precipitation is 40%. Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Sunday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93. Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. Monday: A 50 percent chance of showers and thunderstorms. Sunny, with a high near 94. Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 94. | |
Marietta, Cobb County-McCollum Field Airport GA 33.99°N 84.6°W (Elev. 984 ft) | |
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