Sweetwater Lake Weather Forecast

    • 77
    • 81

    Thunderstorms Likely

    • 78
    • 84

    Rain Showers Likely

    • 77
    • 86

    Rain Showers

    • 77
    • 85

    Rain Showers Likely

    • 78
    • 86

    Chance Thunderstorms

    • 79
    • 87

    Chance Thunderstorms

Today 21 May Galveston Island

Showers and Thunderstorms. Near steady temperature in the upper 70s. Southeast Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 21 May Galveston Island

Showers and Thunderstorms likely. Near steady temperature in the upper 70s. East Winds around 10 Mph. Chance of rain 60 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

    76.4 °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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