Port Arthur Reservoir Weather Forecast

    • 66
    • 79

    Increasing Clouds

    • 66
    • 79

    Mostly Cloudy

    • 68
    • 81

    Chance Rain Showers

    • 67
    • 81

    Rain Showers Likely

    • 66
    • 79

    Chance Rain Showers

    • 67
    • 80

    Chance Rain Showers

Today 4 Mar Lower Jefferson

Mostly cloudy this Morning, then becoming partly sunny. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 4 Mar Lower Jefferson

Mostly cloudy. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Arthur Reservoir Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    55.9 °F

  • Average March

    65.9 °F

  • Highest 1 March, 2026

    78.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    62.3 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    81 °F
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