Port Arthur Reservoir Weather Forecast

    • 55
    • 70

    Rain Showers

    • 53
    • 73

    Mostly Sunny

    • 60
    • 77

    Partly Sunny

    • 67
    • 79

    Mostly Cloudy

    • 72
    • 83

    Mostly Cloudy

    • 68
    • 86

    Slight Chance Thunderstorms

Today 1 May Lower Jefferson

A chance of Thunderstorms. Showers. Patchy fog. Cooler with Highs in the lower 70s. Temperature falling into the mid 60s this afternoon. Northeast Winds 15 to 20 Mph. Chance of rain 90 percent.

Tonight 1 May Lower Jefferson

Mostly cloudy. Patchy fog in the evening. Showers with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Breezy, cooler with Lows in the mid 50s. Northeast Winds 15 to 25 Mph. Chance of rain 90 percent.

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Port Arthur Reservoir Temperature Statistics

May Temperature

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

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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 °F

  • Average High 2021–2026

    81.1 °F
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