Sweetwater Lake Weather Forecast

    • 47
    • 54

    Partly Sunny

    • 60
    • 66

    Rain Showers Likely

    • 63
    • 69

    Rain Showers Likely

    • 57
    • 73

    Partly Sunny

    • 59
    • 66

    Partly Sunny

    • 63
    • 72

    Mostly Cloudy

Today 15 Dec Galveston Island

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

Tonight 15 Dec Galveston Island

Partly cloudy in the Evening, then becoming mostly 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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Sweetwater Lake Temperature Statistics

December Temperature

Galveston, Scholes Field (1.2 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    56.6 °F

  • Highest 12 December, 2025

    75 °F

Climate (2020–Present)

Galveston, Scholes Field (1.2 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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