Johnson Lake Weather Forecast

    • 82
    • 90

    Mostly Sunny

    • 82
    • 91

    Partly Sunny

    • 84
    • 91

    Partly Sunny

    • 84
    • 88

    Partly Sunny

    • 84
    • 89

    Chance Thunderstorms

    • 83
    • 88

    Chance Thunderstorms

Today 28 Jul Lower Jefferson

Sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 106.

Tonight 28 Jul Lower Jefferson

Mostly clear. Humid with Lows in the upper 70s. Southwest Winds 5 to 10 Mph.

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Johnson Lake Temperature Statistics

July Temperature

Beaumont/Port Arthur Southeast Texas Regional Airport (13.7 miles)

  • Lowest 6 July, 2026

    71.7 °F

  • Average July

    84.2 °F

  • Highest 22 July, 2026

    100.7 °F

Climate (2021–2026)

Beaumont/Port Arthur Southeast Texas Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    62.5 °F

  • Average 2021–2026

    71.1 °F

  • Average High 2021–2026

    81.3 °F
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