San Luis Pass Weather Forecast

    • 50
    • 54

    Partly Sunny

    • 63
    • 65

    Mostly Cloudy

    • 66
    • 68

    Chance Rain Showers

    • 59
    • 71

    Partly Sunny

    • 62
    • 65

    Mostly Cloudy

    • 67
    • 70

    Mostly Cloudy

Today 15 Dec Galveston Island

Sunny. Highs in the lower 50s. Northeast Winds 10 to 15 Mph.

Tonight 15 Dec Galveston Island

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature in the lower 50s. Temperature rising into the lower 50s after midnight. East Winds 5 to 10 Mph.

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San Luis Pass Temperature Statistics

December Temperature

Galveston, Scholes Field (19.9 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    56.6 °F

  • Highest 12 December, 2025

    75 °F

Climate (2020–Present)

Galveston, Scholes Field (19.9 miles)

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  • Average Low 2020–2025

    68.3 °F

  • Average 2020–2025

    73.5 °F

  • Average High 2020–2025

    79.2 °F
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