Galveston Bay Entrance - South Jetty Weather Forecast

    • 84
    • 91

    Slight Chance Thunderstorms

    • 84
    • 89

    Mostly Sunny

    • 84
    • 88

    Mostly Sunny

    • 84
    • 87

    Mostly Sunny

    • 84
    • 87

    Mostly Sunny

    • 83
    • 87

    Slight Chance Thunderstorms

Today 1 Aug Galveston Island

Sunny. Highs in the lower 90s. Southwest Winds 15 to 20 Mph. Heat index Values up to 113.

Tonight 1 Aug Galveston Island

Mostly clear in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Humid with Lows in the lower 80s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent. Heat index Values up to 109 early.

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Galveston Bay Entrance - South Jetty Temperature Statistics

August Temperature

Galveston, Scholes Field (10.6 miles)

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  • Average August

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Climate (2021–2026)

Galveston, Scholes Field (10.6 miles)

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    73.8 °F

  • Average High 2021–2026

    79.6 °F
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