Marietta Weather Forecast
Weather forecast for: Marietta OK
Last Update: 1:27 am CDT Oct 7, 2026
Today: Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Tonight: Clear, with a low around 58. Light and variable wind.
Thursday: Sunny, with a high near 84. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night: Clear, with a low around 61. Calm wind.
Friday: Sunny, with a high near 86. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Friday Night: Clear, with a low around 63.
Saturday: Sunny, with a high near 83.
Saturday Night: Clear, with a low around 62.
Sunday: Sunny, with a high near 84.
Sunday Night: Partly cloudy, with a low around 65.
Columbus Day: Sunny, with a high near 85.
Monday Night: Mostly clear, with a low around 67.
Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 84.