Galveston Bay Weather Forecast

    • 80
    • 89

    Chance Thunderstorms

    • 80
    • 90

    Slight Chance Thunderstorms

    • 81
    • 90

    Mostly Sunny

    • 81
    • 88

    Chance Thunderstorms

    • 82
    • 88

    Chance Thunderstorms

    • 82
    • 88

    Slight Chance Thunderstorms

Today 27 Aug Chambers

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 107.

Tonight 27 Aug Chambers

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 70s. South Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 50 percent. Heat index Values up to 105 early in the evening.

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Galveston Bay Temperature Statistics

August Temperature

Galveston, Scholes Field (26.7 miles)

  • Lowest 10 August, 2026

    78.7 °F

  • Average August

    87.7 °F

  • Highest 22 August, 2026

    95.6 °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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