San Luis Pass Weather Forecast

    • 82
    • 85

    Partly Sunny

    • 82
    • 86

    Partly Sunny

    • 83
    • 86

    Slight Chance Thunderstorms

    • 84
    • 86

    Chance Rain Showers

    • 83
    • 86

    Rain Showers Likely

    • 81
    • 85

    Rain Showers Likely

Today 26 Sep Galveston Island

Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the upper 80s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 26 Sep Galveston Island

Mostly cloudy in the Evening, then clearing. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Luis Pass Temperature Statistics

September Temperature

Galveston, Scholes Field (19.9 miles)

  • Lowest 4 September, 2026

    75.7 °F

  • Average September

    85.9 °F

  • Highest 3 September, 2026

    93.7 °F

Climate (2021–2026)

Galveston, Scholes Field (19.9 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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