Lake Sam Rayburn Weather Forecast

    • 64
    • 87

    Rain Showers

    • 53
    • 76

    Mostly Sunny

    • 65
    • 81

    Mostly Sunny

    • 60
    • 82

    Slight Chance Rain Showers

    • 60
    • 79

    Mostly Sunny

    • 64
    • 83

    Mostly Sunny

Today 18 Oct San Augustine

Showers with Thunderstorms likely. Some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes. Highs in the upper 80s. Temperature falling into the lower 80s late. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 18 Oct San Augustine

Showers with Thunderstorms likely in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes in the evening. Lows in the upper 50s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

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Lake Sam Rayburn Temperature Statistics

October Temperature

Jasper, Jasper County-Bell Field Airport (16.2 miles)

  • Lowest 11 October, 2025

    55.4 °F

  • Average October

    74.1 °F

  • Highest 2 October, 2025

    93.2 °F

Climate (2020–Present)

Jasper, Jasper County-Bell Field Airport (16.2 miles)

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  • Average Low 2020–2025

    57.4 °F

  • Average 2020–2025

    67.5 °F

  • Average High 2020–2025

    79.1 °F
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