Jamaica Beach (Inside) Weather Forecast

    • 83
    • 90

    Mostly Sunny

    • 83
    • 90

    Slight Chance Thunderstorms

    • 83
    • 89

    Slight Chance Thunderstorms

    • 83
    • 89

    Slight Chance Thunderstorms

    • 83
    • 90

    Slight Chance Thunderstorms

    • 84
    • 90

    Slight Chance Thunderstorms

Today 29 Aug Galveston Island

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

Tonight 29 Aug Galveston Island

Partly cloudy. Near steady temperature in the lower 80s. West Winds around 5 Mph.

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Jamaica Beach (Inside) Temperature Statistics

August Temperature

Galveston, Scholes Field (8.7 miles)

  • Lowest 10 August, 2026

    78.7 °F

  • Average August

    87.6 °F

  • Highest 22 August, 2026

    95.6 °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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