Sweetwater Lake Weather Forecast

    • 82
    • 92

    Slight Chance Thunderstorms

    • 82
    • 91

    Chance Thunderstorms

    • 81
    • 91

    Chance Thunderstorms

    • 82
    • 90

    Slight Chance Thunderstorms

    • 83
    • 91

    Mostly Sunny

    • 83
    • 92

    Mostly Sunny

Today 7 Aug Galveston Island

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 7 Aug Galveston Island

Mostly clear. Humid with Lows in the lower 80s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Lake Temperature Statistics

August Temperature

Galveston, Scholes Field (1.2 miles)

  • Lowest 3 August, 2026

    80.7 °F

  • Average August

    87.1 °F

  • Highest 2 August, 2026

    94.6 °F

Climate (2021–2026)

Galveston, Scholes Field (1.2 miles)

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    73.9 °F

  • Average High 2021–2026

    79.6 °F
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