Weather forecast for: San Augustine TX
Last Update: 6:31 pm CDT Sep 8, 2026
Tonight: Mostly clear, with a low around 73. South wind around 5 mph becoming calm.
Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night: Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm.
Thursday: Mostly sunny, with a high near 94. Calm wind becoming southeast around 5 mph.
Thursday Night: Partly cloudy, with a low around 72. Calm wind.
Friday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Friday Night: Partly cloudy, with a low around 72.
Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Saturday Night: Mostly clear, with a low around 72.
Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Sunday Night: Partly cloudy, with a low around 72.
Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night: Partly cloudy, with a low around 72.
Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.