Sweetwater Lake Weather Forecast

    • 51
    • 62

    Sunny

    • 64
    • 70

    Partly Sunny

    • 62
    • 74

    Mostly Sunny

    • 57
    • 71

    Mostly Sunny

    • 61
    • 68

    Partly Sunny

    • 62
    • 72

    Partly Sunny

Today 31 Dec Galveston Island

Sunny. Highs in the lower 60s. Northwest Winds around 5 Mph, becoming southwest in the afternoon.

Tonight 31 Dec Galveston Island

Mostly clear. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.

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Sweetwater Lake Temperature Statistics

December Temperature

Galveston, Scholes Field (1.2 miles)

  • Lowest 15 December, 2025

    35.1 °F

  • Average December

    61 °F

  • Highest 28 December, 2025

    77 °F

Climate (2020–Present)

Galveston, Scholes Field (1.2 miles)

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  • Average Low 2020–2025

    68.4 °F

  • Average 2020–2025

    73.6 °F

  • Average High 2020–2025

    79.3 °F
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