Marathon Weather Forecast
Weather forecast for: Marathon TX
Last Update: 1:36 am CDT Sep 5, 2026
Today: A 40 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 92. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tonight: Mostly clear, with a low around 66. East wind 5 to 10 mph becoming light and variable after midnight.
Sunday: Sunny, with a high near 89. Light and variable wind becoming east 10 to 15 mph in the afternoon.
Sunday Night: Mostly clear, with a low around 66. East wind 5 to 15 mph.
Labor Day: Sunny, with a high near 89. Southeast wind 5 to 10 mph.
Monday Night: Mostly clear, with a low around 65.
Tuesday: Sunny, with a high near 90.
Tuesday Night: Mostly clear, with a low around 66.
Wednesday: Sunny, with a high near 89.
Wednesday Night: Mostly clear, with a low around 65.
Thursday: Sunny, with a high near 89.
Thursday Night: Mostly clear, with a low around 65.
Friday: A slight chance of showers and thunderstorms. Sunny, with a high near 90.