Baytown Marina Weather Forecast

    • 80
    • 100

    Hot

    • 80
    • 94

    Mostly Sunny

    • 80
    • 93

    Partly Sunny

    • 81
    • 97

    Hot

    • 80
    • 97

    Slight Chance Thunderstorms

    • 79
    • 94

    Slight Chance Thunderstorms

    • 79
    • 94

    Mostly Sunny

Today 23 Aug Coastal Harris

Mostly sunny with a slight chance of Showers with isolated Thunderstorms. Hot with Highs in the upper 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 111.

Tonight 23 Aug Coastal Harris

Partly cloudy. A slight chance of Showers with isolated Thunderstorms this evening. Lows in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 110 early this evening.

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Baytown Marina Temperature Statistics

August Temperature

Houston / Ellington (16.8 miles)

  • Lowest 17 August, 2026

    73.4 °F

  • Average August

    85.7 °F

  • Highest 20 August, 2026

    96.8 °F

Climate (2021–2026)

Houston / Ellington (16.8 miles)

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  • Average Low 2021–2026

    64.3 °F

  • Average 2021–2026

    72 °F

  • Average High 2021–2026

    80.4 °F
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