Brazos Harbor Weather Forecast

    • 79
    • 89

    Chance Thunderstorms

    • 80
    • 89

    Rain Showers Likely

    • 80
    • 90

    Mostly Sunny

    • 80
    • 90

    Mostly Sunny

    • 81
    • 90

    Mostly Sunny

    • 81
    • 91

    Mostly Sunny

Today 9 Aug Coastal Brazoria

Mostly sunny with a chance of Showers and Thunderstorms. Humid with Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 9 Aug Coastal Brazoria

Mostly clear. Near steady temperature around 80. Southeast Winds around 5 Mph.

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Brazos Harbor Temperature Statistics

August Temperature

Angleton / Lake Jackson, Brazoria County Airport (14.3 miles)

  • Lowest 5 August, 2026

    73.7 °F

  • Average August

    84.9 °F

  • Highest 1 August, 2026

    95.6 °F

Climate (2021–2026)

Angleton / Lake Jackson, Brazoria County Airport (14.3 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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