Sweetwater Lake Weather Forecast

    • 75
    • 81

    Chance Thunderstorms

    • 76
    • 83

    Chance Thunderstorms

    • 74
    • 85

    Chance Thunderstorms

    • 70
    • 85

    Partly Sunny

    • 72
    • 80

    Partly Sunny

    • 74
    • 83

    Partly Sunny

    • 76
    • 84

    Partly Sunny

Today 8 May Galveston Island

Cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Southeast Winds around 10 Mph. Chance of rain 40 percent.

Tonight 8 May Galveston Island

Cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Humid. Near steady temperature in the upper 70s. Southeast Winds 10 to 15 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Lake Temperature Statistics

May Temperature

Galveston, Scholes Field (1.2 miles)

  • Lowest 2 May, 2026

    56.6 °F

  • Average May

    72 °F

  • Highest 5 May, 2026

    82 °F

Climate (2021–Present)

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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