Round Lake Weather Forecast

    • 55
    • 61

    Mostly Cloudy

    • 60
    • 66

    Chance Rain Showers

    • 47
    • 73

    Slight Chance Thunderstorms

    • 52
    • 61

    Mostly Sunny

    • 63
    • 72

    Partly Sunny

    • 63
    • 74

    Mostly Cloudy

Today 16 Dec Lower Jefferson

Partly sunny this Morning, then becoming mostly cloudy. Not as cool with Highs in the lower 60s. East Winds 5 to 10 Mph.

Tonight 16 Dec Lower Jefferson

Cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Not as cool with Lows in the mid 50s. East Winds around 5 Mph. Chance of rain 40 percent.

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Round Lake Temperature Statistics

December Temperature

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

  • Lowest 3 December, 2025

    37.9 °F

  • Average December

    53.1 °F

  • Highest 12 December, 2025

    80.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    62.1 °F

  • Average 2020–2025

    70.6 °F

  • Average High 2020–2025

    80.7 °F
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