Jamaica Beach (Inside) Weather Forecast

    • 83
    • 91

    Slight Chance Thunderstorms

    • 82
    • 91

    Slight Chance Thunderstorms

    • 82
    • 91

    Chance Thunderstorms

    • 82
    • 89

    Chance Thunderstorms

    • 83
    • 89

    Slight Chance Thunderstorms

    • 83
    • 90

    Mostly Sunny

Today 6 Aug Galveston Island

Sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 106.

Tonight 6 Aug Galveston Island

Mostly clear. Humid with Lows in the lower 80s. South Winds 10 to 15 Mph.

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Jamaica Beach (Inside) Temperature Statistics

August Temperature

Galveston, Scholes Field (8.7 miles)

  • Lowest 3 August, 2026

    81 °F

  • Average August

    86.9 °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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