Marietta Weather Forecast
Weather forecast for: Marietta OH
Last Update: 5:37 am EDT Oct 26, 2026
Today: Areas of fog before 10am. Otherwise, sunny, with a high near 70. Calm wind.
Tonight: Partly cloudy, with a low around 44. Calm wind.
Tuesday: Mostly sunny, with a high near 73. Calm wind.
Tuesday Night: Increasing clouds, with a low around 47. Calm wind.
Wednesday: Mostly cloudy, with a high near 72. Calm wind becoming south around 5 mph.
Wednesday Night: Partly cloudy, with a low around 47.
Thursday: Sunny, with a high near 74.
Thursday Night: Mostly clear, with a low around 47.
Friday: Mostly sunny, with a high near 74.
Friday Night: Mostly cloudy, with a low around 50.
Saturday: Mostly cloudy, with a high near 72.
Saturday Night: Mostly cloudy, with a low around 54.
Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 70.