Marietta Weather Forecast
- 34
- 63
Sunny
- 24
- 63
Mostly Sunny
- 25
- 40
Mostly Sunny
- 38
- 50
Mostly Cloudy
- 48
- 61
Partly Sunny
- 50
- 70
Mostly Sunny
Today 12 Dec Love
Sunny. Highs in the mid 60s. Northeast Winds 10 to 15 Mph.
Tonight 12 Dec Love
Clear. Lows in the mid 30s. Northeast Winds 5 to 10 Mph.
Marietta Temperature Statistics
December Temperature
Ardmore, Ardmore Downtown Executive Airport (14.3 miles)
Lowest 2 December, 2025
21.4 °FAverage December
41.2 °FHighest 9 December, 2025
66.4 °F
Climate (2020–Present)
Ardmore, Ardmore Downtown Executive Airport (14.3 miles)
Average Low 2020–2025
52.8 °FAverage 2020–2025
63.8 °FAverage High 2020–2025
75.6 °F