Round Lake Weather Forecast

    • 79
    • 95

    Chance Rain Showers

    • 80
    • 96

    Breezy

    • 80
    • 95

    Mostly Sunny

    • 80
    • 94

    Mostly Sunny

    • 80
    • 94

    Mostly Sunny

    • 80
    • 94

    Mostly Sunny

    • 79
    • 93

    Slight Chance Thunderstorms

Today 21 Aug Lower Jefferson

Sunny. Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 111.

Tonight 21 Aug Lower Jefferson

Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 70s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 106 early this evening.

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Round Lake Temperature Statistics

August Temperature

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

  • Lowest 17 August, 2026

    72.6 °F

  • Average August

    85.3 °F

  • Highest 3 August, 2026

    97.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    62.5 °F

  • Average 2021–2026

    71.2 °F

  • Average High 2021–2026

    81.3 °F
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