Galveston Bay Weather Forecast

    • 83
    • 92

    Slight Chance Rain Showers

    • 83
    • 93

    Mostly Sunny

    • 83
    • 92

    Mostly Sunny

    • 83
    • 91

    Partly Sunny

    • 83
    • 91

    Partly Sunny

    • 83
    • 91

    Partly Sunny

Today 21 Aug Chambers

Sunny, hot with Highs in the upper 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 112.

Tonight 21 Aug Chambers

Mostly clear in the Evening, then becoming partly cloudy. A slight chance of Showers with isolated Thunderstorms. Humid with Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 110 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

    87.3 °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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