| NWS Forecast for: 2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA Issued by: National Weather Service Peachtree City, GA Last Update: 2:26 pm EDT Aug 19, 2026 |  |
| Tonight: Mostly clear, with a low around 73. Northwest wind around 5 mph becoming calm. Thursday: Sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming northwest around 5 mph in the afternoon. Thursday Night: A slight chance of showers and thunderstorms between 10pm and midnight. Partly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 20%. Friday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 60%. Saturday: Sunny, with a high near 91. Saturday Night: Mostly clear, with a low around 70. Sunday: Sunny, with a high near 91. Sunday Night: Mostly clear, with a low around 68. Monday: Mostly sunny, with a high near 90. Monday Night: Mostly clear, with a low around 70. Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. | |
| 2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA 33.99°N 84.57°W (Elev. 1129 ft) | |
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