Sweetwater Lake Weather Forecast

    • 80
    • 91

    Partly Sunny

    • 79
    • 91

    Thunderstorms Likely

    • 82
    • 89

    Thunderstorms Likely

    • 82
    • 91

    Slight Chance Thunderstorms

    • 82
    • 91

    Partly Sunny

    • 82
    • 92

    Partly Sunny

    • 82
    • 92

    Mostly Sunny

Today 16 Jul Galveston Island

Sunny. Near steady temperature around 90. South Winds around 10 Mph. Heat index Values up to 105.

Tonight 16 Jul Galveston Island

Partly cloudy. Lows around 80. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Lake Temperature Statistics

July Temperature

Galveston, Scholes Field (1.2 miles)

  • Lowest 9 July, 2025

    76.6 °F

  • Average July

    86.6 °F

  • Highest 5 July, 2025

    93.7 °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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