Oak Bayou Weather Forecast

    • 79
    • 88

    Slight Chance Thunderstorms

    • 79
    • 87

    Mostly Sunny

    • 79
    • 87

    Chance Thunderstorms

    • 80
    • 87

    Chance Thunderstorms

    • 78
    • 87

    Thunderstorms Likely

    • 77
    • 86

    Chance Thunderstorms

Today 18 Sep Galveston Island

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Northeast Winds around 5 Mph, becoming east in the afternoon. Chance of rain 20 percent.

Tonight 18 Sep Galveston Island

Mostly clear. Lows around 80. Southeast Winds 10 to 15 Mph.

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Oak Bayou Temperature Statistics

September Temperature

Galveston, Scholes Field (6.8 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 (6.8 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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