Oak Bayou Weather Forecast

    • 82
    • 91

    Partly Sunny

    • 82
    • 92

    Mostly Sunny

    • 83
    • 91

    Mostly Sunny

    • 84
    • 91

    Mostly Sunny

    • 84
    • 91

    Mostly Sunny

    • 84
    • 91

    Mostly Sunny

Today 21 Aug Galveston Island

Mostly sunny. Humid with Highs in the lower 90s. Southwest Winds 5 to 10 Mph, becoming south 10 to 15 Mph in the afternoon. Heat index Values up to 107.

Tonight 21 Aug Galveston Island

Mostly clear. Near steady temperature in the mid 80s. Southwest Winds 10 to 15 Mph.

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Oak Bayou Temperature Statistics

August Temperature

Galveston, Scholes Field (6.8 miles)

  • Lowest 10 August, 2026

    78.7 °F

  • Average August

    87.2 °F

  • Highest 2 August, 2026

    94.6 °F

Climate (2021–2026)

Galveston, Scholes Field (6.8 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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