Galveston Bay Weather Forecast

    • 79
    • 86

    Thunderstorms Likely

    • 80
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

    • 80
    • 88

    Rain Showers Likely

    • 80
    • 87

    Chance Thunderstorms

    • 81
    • 87

    Chance Thunderstorms

    • 81
    • 88

    Slight Chance Thunderstorms

Today 5 Sep Chambers

Showers and Thunderstorms likely. Near steady temperature in the mid 80s. East Winds around 5 Mph. Chance of rain 70 percent.

Tonight 5 Sep Chambers

Mostly cloudy with Showers likely with a chance of Thunderstorms in the Evening, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

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Galveston Bay Temperature Statistics

September Temperature

Galveston, Scholes Field (26.7 miles)

  • Lowest 2 September, 2026

    76.6 °F

  • Average September

    84.5 °F

  • Highest 3 September, 2026

    91.9 °F

Climate (2021–2026)

Galveston, Scholes Field (26.7 miles)

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    73.9 °F

  • Average High 2021–2026

    79.6 °F
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