Clear Lake Shores Weather Forecast

    • 79
    • 90

    Thunderstorms Likely

    • 77
    • 91

    Mostly Sunny

    • 78
    • 91

    Mostly Sunny

    • 78
    • 91

    Mostly Sunny

    • 77
    • 92

    Chance Thunderstorms

    • 78
    • 93

    Slight Chance Thunderstorms

Today 17 Sep Coastal Galveston

Sunny. Highs in the lower 90s.

Tonight 17 Sep Coastal Galveston

Partly cloudy this Evening, then becoming mostly clear. Lows around 80. East Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Shores Temperature Statistics

September Temperature

Houston / Ellington (8.7 miles)

  • Lowest 10 September, 2026

    77 °F

  • Average September

    84.3 °F

  • Highest 7 September, 2026

    95 °F

Climate (2021–2026)

Houston / Ellington (8.7 miles)

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  • Average Low 2021–2026

    64.4 °F

  • Average 2021–2026

    72 °F

  • Average High 2021–2026

    80.5 °F
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