Marietta Weather Forecast
- 67
- 88
Partly Sunny
- 69
- 88
Partly Sunny
- 70
- 89
Partly Sunny
- 72
- 90
Slight Chance Thunderstorms
- 73
- 90
Chance Thunderstorms
- 73
- 89
Rain Showers Likely
Today 18 May Western Duval
Sunny. Highs in the upper 80s. East Winds 10 to 15 Mph.
Tonight 18 May Western Duval
Partly cloudy. Patchy fog. Lows in the mid 60s. East Winds around 5 Mph.
Marietta Temperature Statistics
May Temperature
Cecil Airport (9.3 miles)
Lowest 4 May, 2026
46.4 °FAverage May
69.5 °FHighest 6 May, 2026
93.2 °F
Climate (2021–Present)
Cecil Airport (9.3 miles)
Average Low 2021–2026
57.9 °FAverage 2021–2026
66.9 °FAverage High 2021–2026
83 °F