Galveston - Pier 21 Weather Forecast

    • 49
    • 53

    Increasing Clouds

    • 62
    • 67

    Chance Rain Showers

    • 65
    • 67

    Chance Rain Showers

    • 56
    • 70

    Partly Sunny

    • 59
    • 62

    Partly Sunny

    • 66
    • 71

    Partly Sunny

    • 65
    • 74

    Mostly Cloudy

Today 15 Dec Galveston Island

Sunny. Highs in the lower 50s. Northeast Winds 5 to 10 Mph.

Tonight 15 Dec Galveston Island

Partly cloudy. Not as cool with Lows in the upper 40s. Temperature rising into the mid 50s after midnight. East Winds 5 to 10 Mph.

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Galveston - Pier 21 Temperature Statistics

December Temperature

Galveston, Scholes Field (4.3 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    57.5 °F

  • Highest 12 December, 2025

    75 °F

Climate (2020–Present)

Galveston, Scholes Field (4.3 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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