Bastrop Bay Weather Forecast

    • 79
    • 83

    Slight Chance Thunderstorms

    • 78
    • 82

    Thunderstorms Likely

    • 77
    • 82

    Chance Thunderstorms

    • 77
    • 81

    Rain Showers Likely

    • 76
    • 82

    Rain Showers Likely

    • 77
    • 83

    Rain Showers Likely

Today 18 May Brazoria Islands

Mostly cloudy and breezy. Near steady temperature in the lower 80s. Southeast Winds 15 to 25 Mph.

Tonight 18 May Brazoria Islands

Mostly cloudy and breezy. Near steady temperature around 80. Southeast Winds 20 to 25 Mph.

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Bastrop Bay Temperature Statistics

May Temperature

Angleton / Lake Jackson, Brazoria County Airport (16.8 miles)

  • Lowest 3 May, 2026

    49.6 °F

  • Average May

    74.6 °F

  • Highest 9 May, 2026

    91.7 °F

Climate (2021–Present)

Angleton / Lake Jackson, Brazoria County Airport (16.8 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    72 °F

  • Average High 2021–2026

    81.8 °F
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