Port Arthur Reservoir Weather Forecast

    • 80
    • 91

    Chance Thunderstorms

    • 77
    • 89

    Rain Showers

    • 78
    • 84

    Rain Showers

    • 80
    • 88

    Rain Showers Likely

    • 81
    • 89

    Chance Thunderstorms

    • 79
    • 89

    Chance Thunderstorms

Today 14 Jun Lower Jefferson

Mostly sunny with a chance of Showers and Thunderstorms. Highs around 90. South Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 105.

Tonight 14 Jun Lower Jefferson

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows around 80. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    82.7 °F

  • Highest 1 June, 2026

    91.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    62.4 °F

  • Average 2021–2026

    71.1 °F

  • Average High 2021–2026

    81.2 °F
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