Port Arthur Reservoir Weather Forecast

    • 80
    • 92

    Mostly Sunny

    • 78
    • 93

    Mostly Sunny

    • 79
    • 93

    Mostly Sunny

    • 79
    • 93

    Slight Chance Thunderstorms

    • 79
    • 92

    Chance Thunderstorms

    • 78
    • 93

    Chance Thunderstorms

Today 28 Jun Lower Jefferson

Mostly sunny. Highs in the lower 90s. South Winds 10 to 15 Mph.

Tonight 28 Jun Lower Jefferson

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows around 80. South Winds 10 to 15 Mph.

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Port Arthur Reservoir Temperature Statistics

June Temperature

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

  • Lowest 3 June, 2026

    73.7 °F

  • Average June

    83.3 °F

  • Highest 19 June, 2026

    93.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    62.5 °F

  • Average 2021–2026

    71.1 °F

  • Average High 2021–2026

    81.2 °F
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