Sweetwater Lake Weather Forecast

    • 82
    • 91

    Partly Sunny

    • 82
    • 92

    Mostly Sunny

    • 82
    • 93

    Mostly Sunny

    • 82
    • 93

    Partly Sunny

    • 82
    • 94

    Partly Sunny

    • 82
    • 93

    Partly Sunny

Today 26 Jul Galveston Island

Sunny. A slight chance of Showers in the afternoon. Humid with Highs around 90. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 106.

Tonight 26 Jul Galveston Island

Partly cloudy. Near steady temperature in the mid 80s. South Winds 10 to 15 Mph.

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Sweetwater Lake Temperature Statistics

July Temperature

Galveston, Scholes Field (1.2 miles)

  • Lowest 14 July, 2026

    73.7 °F

  • Average July

    85.5 °F

  • Highest 22 July, 2026

    99 °F

Climate (2021–2026)

Galveston, Scholes Field (1.2 miles)

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    73.8 °F

  • Average High 2021–2026

    79.6 °F
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