Tiki Island Weather Forecast

    • 82
    • 91

    Chance Thunderstorms

    • 81
    • 90

    Thunderstorms Likely

    • 83
    • 89

    Thunderstorms Likely

    • 84
    • 89

    Chance Thunderstorms

    • 84
    • 89

    Chance Thunderstorms

    • 83
    • 90

    Chance Thunderstorms

Today 9 Sep Galveston Island

Showers and Thunderstorms likely in the Morning, then mostly cloudy with a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. East Winds 5 to 10 Mph. Chance of rain 60 percent. Heat index Values up to 107.

Tonight 9 Sep Galveston Island

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 105 early.

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Tiki Island Temperature Statistics

September Temperature

Galveston, Scholes Field (3.1 miles)

  • Lowest 4 September, 2026

    75.7 °F

  • Average September

    84.8 °F

  • Highest 3 September, 2026

    93.7 °F

Climate (2021–2026)

Galveston, Scholes Field (3.1 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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