| NWS Forecast for: 2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA Issued by: National Weather Service Peachtree City, GA Last Update: 6:51 pm EDT Sep 11, 2026 |  |
Tonight: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 21. South wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible. Saturday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 30. South wind 5 to 10 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible. Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 21. Calm wind. Chance of precipitation is 30%. Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 32. Heat index values as high as 36. Northwest wind 5 to 10 km/h. Sunday Night: Mostly clear, with a low around 21. Calm wind. Monday: Sunny, with a high near 33. Monday Night: Mostly clear, with a low around 21. Tuesday: Sunny, with a high near 32. Tuesday Night: Mostly clear, with a low around 19. Wednesday: Sunny, with a high near 31. Wednesday Night: Mostly clear, with a low around 18. Thursday: Sunny, with a high near 32. Thursday Night: Mostly clear, with a low around 19. Friday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 33. | |
| 2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA 33.99°N 84.57°W (Elev. 1129 m) | |
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