Lake Sam Rayburn Weather Forecast

    • 69
    • 84

    Chance Thunderstorms

    • 68
    • 84

    Chance Thunderstorms

    • 64
    • 83

    Rain Showers

    • 60
    • 76

    Rain Showers Likely

    • 59
    • 78

    Mostly Sunny

    • 62
    • 81

    Partly Sunny

    • 64
    • 83

    Chance Rain Showers

Today 30 Apr San Augustine

Mostly cloudy. A slight chance of Showers and Thunderstorms Early, then a chance of Showers and Thunderstorms. Highs in the mid 80s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 30 Apr San Augustine

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may be severe this evening. Lows in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sam Rayburn Temperature Statistics

April Temperature

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

  • Lowest 8 April, 2025

    39.2 °F

  • Average April

    69.3 °F

  • Highest 3 April, 2025

    86 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    57.5 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    79 °F
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