Kemah Weather Forecast

    • 69
    • 88

    Chance Thunderstorms

    • 67
    • 78

    Partly Sunny

    • 71
    • 81

    Partly Sunny

    • 69
    • 83

    Rain Showers

    • 66
    • 74

    Rain Showers

    • 67
    • 77

    Slight Chance Rain Showers

    • 68
    • 79

    Mostly Sunny

Today 21 Oct Coastal Galveston

Mostly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 108.

Tonight 21 Oct Coastal Galveston

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows around 70. Northeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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Kemah Temperature Statistics

October Temperature

Houston / Ellington (9.3 miles)

  • Lowest 10 October, 2025

    66.2 °F

  • Average October

    79 °F

  • Highest 1 October, 2025

    91.4 °F

Climate (2020–Present)

Houston / Ellington (9.3 miles)

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  • Average Low 2020–2025

    63.7 °F

  • Average 2020–2025

    71.4 °F

  • Average High 2020–2025

    79.8 °F
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