Marietta Weather Forecast
- 73
- 88
Rain Showers Likely
- 72
- 91
Chance Thunderstorms
- 73
- 90
Chance Thunderstorms
- 74
- 92
Chance Thunderstorms
- 75
- 93
Chance Thunderstorms
- 75
- 94
Slight Chance Thunderstorms
Today 6 Aug Robeson
Partly sunny. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 6 Aug Robeson
Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent.
Marietta Temperature Statistics
August Temperature
Marion County Airport (17.4 miles)
Lowest 1 August, 2026
71.6 °FAverage August
78.1 °FHighest 1 August, 2026
89.6 °F
Climate (2021–2026)
Marion County Airport (17.4 miles)
Average Low 2021–2026
53.2 °FAverage 2021–2026
62.9 °FAverage High 2021–2026
73.9 °F