Sweetwater Lake Weather Forecast

    • 79
    • 92

    Mostly Sunny

    • 81
    • 94

    Partly Sunny

    • 82
    • 94

    Partly Sunny

    • 82
    • 93

    Slight Chance Thunderstorms

    • 82
    • 92

    Partly Sunny

    • 82
    • 91

    Partly Sunny

Today 20 Jul Galveston Island

Sunny with Highs in the lower 90s. West Winds 5 to 10 Mph, becoming southwest in the afternoon.

Tonight 20 Jul Galveston Island

Mostly clear. Near steady temperature in the lower 80s. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Lake Temperature Statistics

July Temperature

Galveston, Scholes Field (1.2 miles)

  • Lowest 14 July, 2026

    73.7 °F

  • Average July

    85.4 °F

  • Highest 6 July, 2026

    92.6 °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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