San Luis Pass Weather Forecast

    • 77
    • 82

    Chance Thunderstorms

    • 77
    • 81

    Rain Showers

    • 78
    • 82

    Chance Thunderstorms

    • 77
    • 83

    Mostly Sunny

    • 80
    • 83

    Slight Chance Thunderstorms

    • 79
    • 83

    Chance Thunderstorms

Today 26 May Galveston Island

Mostly sunny with a slight chance of Showers with isolated Thunderstorms. Near steady temperature in the mid 80s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 26 May Galveston Island

Showers and Thunderstorms after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall after midnight. Humid with Lows in the upper 70s. Southeast Winds around 15 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Luis Pass Temperature Statistics

May Temperature

Galveston, Scholes Field (19.9 miles)

  • Lowest 2 May, 2026

    56.6 °F

  • Average May

    76.5 °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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