Alligator Lake Weather Forecast

    • 78
    • 94

    Mostly Sunny

    • 78
    • 94

    Mostly Sunny

    • 79
    • 94

    Mostly Sunny

    • 80
    • 92

    Mostly Sunny

    • 80
    • 92

    Mostly Sunny

    • 80
    • 91

    Mostly Sunny

Today 21 Aug Coastal Brazoria

Mostly sunny. Hot with Highs in the mid 90s. Southwest Winds around 5 Mph, increasing to south 10 to 15 Mph in the afternoon. Heat index Values up to 109.

Tonight 21 Aug Coastal Brazoria

Partly cloudy. Near steady temperature in the lower 80s. Southwest Winds around 5 Mph.

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Alligator Lake Temperature Statistics

August Temperature

Angleton / Lake Jackson, Brazoria County Airport (14.9 miles)

  • Lowest 17 August, 2026

    68 °F

  • Average August

    84.6 °F

  • Highest 1 August, 2026

    95.6 °F

Climate (2021–2026)

Angleton / Lake Jackson, Brazoria County Airport (14.9 miles)

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  • Average Low 2021–2026

    62.8 °F

  • Average 2021–2026

    72.1 °F

  • Average High 2021–2026

    81.9 °F
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