Sweetwater Lake Weather Forecast

    • 82
    • 92

    Slight Chance Thunderstorms

    • 83
    • 90

    Sunny

    • 83
    • 92

    Mostly Sunny

    • 83
    • 92

    Chance Thunderstorms

    • 83
    • 92

    Chance Thunderstorms

    • 83
    • 92

    Chance Thunderstorms

Today 28 Aug Galveston Island

Sunny with a slight chance of Thunderstorms. A chance of Showers, mainly this morning. Highs around 90. North Winds 5 to 10 Mph, becoming east this afternoon. Chance of rain 30 percent.

Tonight 28 Aug Galveston Island

Mostly clear. Humid with Lows in the lower 80s. South Winds 5 to 10 Mph, becoming southwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Lake Temperature Statistics

August Temperature

Galveston, Scholes Field (1.2 miles)

  • Lowest 10 August, 2026

    78.7 °F

  • Average August

    87.6 °F

  • Highest 22 August, 2026

    95.6 °F

Climate (2021–2026)

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

    73.9 °F

  • Average High 2021–2026

    79.6 °F
Get WillyWeather+ to remove ads