Galveston Bay - Port Bolivar Weather Forecast

    • 81
    • 87

    Slight Chance Thunderstorms

    • 80
    • 87

    Mostly Sunny

    • 81
    • 87

    Chance Thunderstorms

    • 81
    • 87

    Chance Thunderstorms

    • 81
    • 87

    Thunderstorms Likely

    • 80
    • 86

    Chance Thunderstorms

    • 79
    • 87

    Chance Thunderstorms

Today 18 Sep Bolivar Peninsula

Mostly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. Southeast Winds around 10 Mph. Chance of rain 30 percent.

Tonight 18 Sep Bolivar Peninsula

Partly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Galveston Bay - Port Bolivar Temperature Statistics

September Temperature

Galveston, Scholes Field (8.1 miles)

  • Lowest 10 September, 2025

    75.2 °F

  • Average September

    82.4 °F

  • Highest 2 September, 2025

    87.8 °F

Climate (2020–Present)

Galveston, Scholes Field (8.1 miles)

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  • Average Low 2020–2025

    68.3 °F

  • Average 2020–2025

    73.4 °F

  • Average High 2020–2025

    79.1 °F
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