Port Arthur Reservoir Weather Forecast

    • 61
    • 77

    Partly Sunny

    • 62
    • 79

    Mostly Sunny

    • 60
    • 81

    Sunny

    • 61
    • 84

    Mostly Sunny

    • 64
    • 84

    Mostly Sunny

    • 66
    • 84

    Partly Sunny

Today 19 Oct Lower Jefferson

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 19 Oct Lower Jefferson

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 60. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Port Arthur Reservoir Temperature Statistics

October Temperature

Beaumont/Port Arthur Southeast Texas Regional Airport (4.3 miles)

  • Lowest 16 October, 2026

    63 °F

  • Average October

    80.5 °F

  • Highest 1 October, 2026

    94.6 °F

Climate (2021–2026)

Beaumont/Port Arthur Southeast Texas Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    71.4 °F

  • Average High 2021–2026

    81.5 °F
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