Galveston Bay Weather Forecast

    • 83
    • 89

    Mostly Sunny

    • 83
    • 89

    Mostly Sunny

    • 82
    • 89

    Slight Chance Thunderstorms

    • 81
    • 90

    Sunny

    • 81
    • 89

    Mostly Sunny

    • 82
    • 90

    Mostly Sunny

Today 12 Aug Chambers

Sunny. Highs in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 109.

Tonight 12 Aug Chambers

Mostly clear. Humid with Lows in the upper 70s. South Winds 5 to 10 Mph. Heat index Values up to 107 early in the evening.

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Galveston Bay Temperature Statistics

August Temperature

Galveston, Scholes Field (26.7 miles)

  • Lowest 10 August, 2026

    79 °F

  • Average August

    86.9 °F

  • Highest 2 August, 2026

    94.6 °F

Climate (2021–2026)

Galveston, Scholes Field (26.7 miles)

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    73.9 °F

  • Average High 2021–2026

    79.6 °F
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