Galveston Bay Weather Forecast

    • 82
    • 90

    Slight Chance Thunderstorms

    • 81
    • 89

    Chance Thunderstorms

    • 81
    • 89

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

    • 82
    • 88

    Chance Thunderstorms

    • 82
    • 88

    Slight Chance Thunderstorms

Today 6 Aug Chambers

Mostly sunny. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 105.

Tonight 6 Aug Chambers

Mostly clear. Patchy fog. Near steady temperature in the lower 80s. South Winds around 5 Mph.

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Galveston Bay Temperature Statistics

August Temperature

Galveston, Scholes Field (26.7 miles)

  • Lowest 3 August, 2026

    81 °F

  • Average August

    87.2 °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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