San Luis Pass Weather Forecast

    • 79
    • 82

    Chance Thunderstorms

    • 79
    • 82

    Rain Showers Likely

    • 79
    • 81

    Rain Showers Likely

    • 78
    • 81

    Rain Showers

    • 78
    • 81

    Rain Showers

    • 78
    • 81

    Rain Showers Likely

Today 19 May Galveston Island

Partly sunny. A chance of Showers with isolated Thunderstorms this morning. Highs in the mid 80s. Southeast Winds 15 to 20 Mph. Chance of rain 40 percent.

Tonight 19 May Galveston Island

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Humid with Lows in the upper 70s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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San Luis Pass Temperature Statistics

May Temperature

Galveston, Scholes Field (19.9 miles)

  • Lowest 2 May, 2026

    56.6 °F

  • Average May

    76 °F

  • Highest 9 May, 2026

    87.7 °F

Climate (2021–Present)

Galveston, Scholes Field (19.9 miles)

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    73.8 °F

  • Average High 2021–2026

    79.6 °F
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