Marietta Weather Forecast
- 74
- 101
Isolated Thunderstorms
- 75
- 100
Hot
- 76
- 98
Hot
- 77
- 99
Hot
- 77
- 100
Hot
- 77
- 100
Hot
- 77
- 100
Hot
Today 8 Aug Love
Sunny with a slight chance of Showers and Thunderstorms. Hot with Highs around 102. South Winds 5 to 10 Mph. Chance of rain 10 percent.
Tonight 8 Aug Love
Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.
Marietta Temperature Statistics
August Temperature
Ardmore, Ardmore Downtown Executive Airport (14.3 miles)
Lowest 3 August, 2026
64.6 °FAverage August
84.7 °FHighest 4 August, 2026
100.8 °F
Climate (2021–2026)
Ardmore, Ardmore Downtown Executive Airport (14.3 miles)
Average Low 2021–2026
53.3 °FAverage 2021–2026
64.6 °FAverage High 2021–2026
76.7 °F