Mentzel Bayou Weather Forecast

    • 83
    • 94

    Mostly Sunny

    • 83
    • 93

    Mostly Sunny

    • 84
    • 92

    Partly Sunny

    • 84
    • 93

    Mostly Sunny

    • 83
    • 91

    Chance Thunderstorms

    • 83
    • 90

    Slight Chance Thunderstorms

    • 83
    • 90

    Mostly Sunny

Today 23 Aug Galveston Island

Sunny. Near steady temperature in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 110.

Tonight 23 Aug Galveston Island

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 80s. Southwest Winds 10 to 15 Mph. Heat index Values up to 108 early.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mentzel Bayou Temperature Statistics

August Temperature

Galveston, Scholes Field (4.3 miles)

  • Lowest 10 August, 2026

    78.7 °F

  • Average August

    87.5 °F

  • Highest 2 August, 2026

    94.6 °F

Climate (2021–2026)

Galveston, Scholes Field (4.3 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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