Marietta Weather Forecast
- 64
- 82
Partly Sunny
- 69
- 84
Partly Sunny
- 70
- 85
Chance Thunderstorms
- 71
- 86
Chance Thunderstorms
- 71
- 85
Chance Thunderstorms
- 71
- 84
Rain Showers Likely
- 72
- 87
Chance Thunderstorms
Today 3 Aug Robeson
Mostly sunny. Near steady temperature around 80. Northeast Winds 10 to 15 Mph.
Tonight 3 Aug Robeson
Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.
Marietta Temperature Statistics
August Temperature
Marion County Airport (17.4 miles)
Lowest 1 August, 2025
71.6 °FAverage August
77.9 °FHighest 1 August, 2025
89.6 °F
Climate (2020–Present)
Marion County Airport (17.4 miles)
Average Low 2020–2025
53.3 °FAverage 2020–2025
62.9 °FAverage High 2020–2025
73.8 °F