San Luis Pass Weather Forecast

    • 75
    • 81

    Thunderstorms

    • 75
    • 79

    Thunderstorms Likely

    • 77
    • 81

    Chance Thunderstorms

    • 79
    • 82

    Rain Showers

    • 79
    • 81

    Rain Showers Likely

    • 79
    • 82

    Slight Chance Thunderstorms

Today 23 May Galveston Island

Showers with Thunderstorms likely. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 23 May Galveston Island

A chance of Thunderstorms. Showers. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible in the evening. Near steady temperature in the upper 70s. East Winds 10 to 15 Mph. Chance of rain 90 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

    76.3 °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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