Jamaica Beach Weather Forecast

    • 84
    • 91

    Mostly Sunny

    • 84
    • 91

    Mostly Sunny

    • 84
    • 91

    Mostly Sunny

    • 84
    • 88

    Partly Sunny

    • 83
    • 88

    Mostly Sunny

    • 83
    • 89

    Mostly Sunny

Today 11 Aug Galveston Island

Sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 106.

Tonight 11 Aug Galveston Island

Mostly clear. Humid with Lows in the mid 80s. South Winds 10 to 15 Mph. Heat index Values up to 106 early.

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Jamaica Beach Temperature Statistics

August Temperature

Galveston, Scholes Field (8.7 miles)

  • Lowest 3 August, 2026

    80.7 °F

  • Average August

    87.1 °F

  • Highest 2 August, 2026

    94.6 °F

Climate (2021–2026)

Galveston, Scholes Field (8.7 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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