Round Lake Weather Forecast

    • 80
    • 92

    Mostly Sunny

    • 78
    • 93

    Slight Chance Thunderstorms

    • 78
    • 93

    Chance Thunderstorms

    • 79
    • 94

    Rain Showers Likely

    • 79
    • 90

    Rain Showers Likely

    • 79
    • 89

    Chance Thunderstorms

Today 21 Jul Lower Jefferson

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

Tonight 21 Jul Lower Jefferson

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

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Round Lake Temperature Statistics

July Temperature

Beaumont/Port Arthur Southeast Texas Regional Airport (11.2 miles)

  • Lowest 9 July, 2025

    70.6 °F

  • Average July

    82.7 °F

  • Highest 2 July, 2025

    94.6 °F

Climate (2020–Present)

Beaumont/Port Arthur Southeast Texas Regional Airport (11.2 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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