Sweetwater Lake Weather Forecast

    • 81
    • 87

    Slight Chance Thunderstorms

    • 79
    • 87

    Rain Showers Likely

    • 79
    • 86

    Chance Thunderstorms

    • 78
    • 86

    Rain Showers Likely

    • 78
    • 86

    Rain Showers Likely

    • 78
    • 87

    Rain Showers Likely

Today 18 May Galveston Island

Partly sunny and breezy with Highs in the mid 80s. Southeast Winds 20 to 25 Mph.

Tonight 18 May Galveston Island

Mostly cloudy. Humid with Lows in the upper 70s. Southeast Winds 15 to 20 Mph.

Graph Plots Open in Graphs

  • 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

    75.4 °F

  • Highest 9 May, 2026

    87.7 °F

Climate (2021–Present)

Galveston, Scholes Field (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    73.8 °F

  • Average High 2021–2026

    79.6 °F
Get WillyWeather+ to remove ads