Port Arthur Reservoir Weather Forecast

    • 78
    • 94

    Slight Chance Thunderstorms

    • 77
    • 91

    Slight Chance Thunderstorms

    • 76
    • 94

    Chance Rain Showers

    • 77
    • 95

    Chance Thunderstorms

    • 78
    • 93

    Chance Thunderstorms

    • 78
    • 93

    Chance Thunderstorms

    • 79
    • 95

    Chance Thunderstorms

Today 3 Jul Lower Jefferson

Mostly sunny. Highs in the lower 90s. West Winds around 5 Mph, becoming south this afternoon.

Tonight 3 Jul Lower Jefferson

Mostly cloudy. Lows in the upper 70s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Arthur Reservoir Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2025

    75 °F

  • Average July

    83.7 °F

  • Highest 1 July, 2025

    93 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    62 °F

  • Average 2020–2025

    70.4 °F

  • Average High 2020–2025

    80.4 °F
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