Square Island Lake Weather Forecast

    • 72
    • 87

    Partly Sunny

    • 73
    • 88

    Slight Chance Rain Showers

    • 71
    • 87

    Mostly Sunny

    • 70
    • 87

    Slight Chance Thunderstorms

    • 71
    • 86

    Chance Rain Showers

    • 73
    • 87

    Mostly Cloudy

Today 6 Oct Coastal Brazoria

Mostly sunny. Highs in the upper 80s. Northeast Winds 10 to 15 Mph.

Tonight 6 Oct Coastal Brazoria

Partly cloudy. Lows in the lower 70s. Northeast Winds 5 to 10 Mph, becoming north after midnight.

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Square Island Lake Temperature Statistics

October Temperature

Angleton / Lake Jackson, Brazoria County Airport (11.2 miles)

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Climate (2021–2026)

Angleton / Lake Jackson, Brazoria County Airport (11.2 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    72.1 °F

  • Average High 2021–2026

    81.9 °F
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