Port Arthur Reservoir Weather Forecast

    • 71
    • 85

    Mostly Cloudy

    • 72
    • 88

    Mostly Sunny

    • 71
    • 88

    Slight Chance Thunderstorms

    • 70
    • 86

    Chance Rain Showers

    • 69
    • 83

    Chance Thunderstorms

    • 70
    • 83

    Chance Rain Showers

Today 5 Oct Lower Jefferson

Partly sunny. Highs in the mid 80s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Oct Lower Jefferson

Partly cloudy in the Evening, then clearing. Lows around 70. Northeast Winds 5 to 10 Mph.

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Port Arthur Reservoir Temperature Statistics

October Temperature

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

  • Lowest 2 October, 2026

    77 °F

  • Average October

    83.9 °F

  • Highest 2 October, 2026

    93.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    62.6 °F

  • Average 2021–2026

    71.4 °F

  • Average High 2021–2026

    81.5 °F
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