League City Weather Forecast

    • 79
    • 93

    Chance Thunderstorms

    • 79
    • 94

    Slight Chance Thunderstorms

    • 80
    • 93

    Rain Showers Likely

    • 77
    • 90

    Chance Thunderstorms

    • 74
    • 91

    Mostly Sunny

    • 76
    • 92

    Slight Chance Thunderstorms

    • 77
    • 92

    Chance Thunderstorms

Today 14 Sep Coastal Galveston

Sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 90s. South Winds around 10 Mph. Chance of rain 30 percent. Heat index Values up to 108.

Tonight 14 Sep Coastal Galveston

Mostly clear. Humid with Lows around 80. South Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.

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League City Temperature Statistics

September Temperature

Houston / Ellington (7.5 miles)

  • Lowest 10 September, 2026

    77 °F

  • Average September

    84 °F

  • Highest 7 September, 2026

    95 °F

Climate (2021–2026)

Houston / Ellington (7.5 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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