Jamaica Beach (Inside) Weather Forecast

    • 79
    • 92

    Rain Showers Likely

    • 81
    • 90

    Thunderstorms Likely

    • 80
    • 89

    Thunderstorms Likely

    • 81
    • 90

    Chance Thunderstorms

    • 81
    • 91

    Chance Thunderstorms

    • 81
    • 90

    Chance Thunderstorms

Today 20 Aug Galveston Island

Sunny with a slight chance of Showers and Thunderstorms. Humid with Highs in the lower 90s. North Winds around 5 Mph, becoming east in the afternoon. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 20 Aug Galveston Island

Partly cloudy. A chance of Showers and Thunderstorms after midnight. Humid with Lows around 80. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 50 percent.

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Jamaica Beach (Inside) Temperature Statistics

August Temperature

Galveston, Scholes Field (8.7 miles)

  • Lowest 5 August, 2025

    75.7 °F

  • Average August

    85.4 °F

  • Highest 8 August, 2025

    92.6 °F

Climate (2020–Present)

Galveston, Scholes Field (8.7 miles)

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  • Average Low 2020–2025

    68.4 °F

  • Average 2020–2025

    73.5 °F

  • Average High 2020–2025

    79.3 °F
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