Round Lake Weather Forecast

    • 75
    • 92

    Slight Chance Thunderstorms

    • 73
    • 93

    Decreasing Clouds

    • 74
    • 93

    Mostly Sunny

    • 73
    • 92

    Mostly Sunny

    • 73
    • 91

    Slight Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 73
    • 92

    Slight Chance Thunderstorms

Today 14 Sep Chambers

Partly sunny. A slight chance of Showers with isolated Thunderstorms. Highs around 90. Temperature falling into the mid 80s. Northwest Winds around 5 Mph, becoming south with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 14 Sep Chambers

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph.

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Round Lake Temperature Statistics

September Temperature

Houston / Ellington (28 miles)

  • Lowest 9 September, 2025

    68 °F

  • Average September

    81.5 °F

  • Highest 3 September, 2025

    95 °F

Climate (2020–Present)

Houston / Ellington (28 miles)

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  • Average Low 2020–2025

    63.7 °F

  • Average 2020–2025

    71.3 °F

  • Average High 2020–2025

    79.7 °F
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