Marietta Weather Forecast
Weather forecast for: Marietta TX
Last Update: 6:30 am CDT Oct 13, 2026
Today: Partly sunny, with a high near 94. Heat index values as high as 103. South wind 5 to 10 mph.
Tonight: Increasing clouds, with a low around 73. South wind around 5 mph.
Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 94. South wind 5 to 10 mph.
Wednesday Night: Mostly clear, with a low around 66. South wind around 5 mph.
Thursday: Sunny, with a high near 92. Calm wind becoming south around 5 mph in the morning.
Thursday Night: Mostly clear, with a low around 64.
Friday: Mostly sunny, with a high near 82.
Friday Night: Mostly clear, with a low around 53.
Saturday: Sunny, with a high near 74.
Saturday Night: Mostly clear, with a low around 47.
Sunday: Sunny, with a high near 81.
Sunday Night: Mostly clear, with a low around 54.
Monday: Mostly sunny, with a high near 85.