Sweetwater Lake Weather Forecast

    • 75
    • 85

    Rain Showers

    • 75
    • 83

    Rain Showers

    • 77
    • 85

    Chance Thunderstorms

    • 79
    • 86

    Rain Showers

    • 78
    • 84

    Rain Showers Likely

    • 78
    • 85

    Slight Chance Thunderstorms

Today 23 May Galveston Island

Showers and Thunderstorms likely. Highs in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 23 May Galveston Island

Showers and Thunderstorms. Lows in the mid 70s. Southeast Winds 10 to 15 Mph. Chance of rain 80 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

    76.3 °F

  • Highest 9 May, 2026

    87.7 °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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