League City Weather Forecast

    • 79
    • 92

    Chance Thunderstorms

    • 78
    • 91

    Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

    • 78
    • 92

    Slight Chance Thunderstorms

Today 2 Sep Coastal Galveston

Partly 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 109.

Tonight 2 Sep Coastal Galveston

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 106 early in the evening.

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League City Temperature Statistics

September Temperature

Houston / Ellington (7.5 miles)

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  • Average September

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Climate (2021–2026)

Houston / Ellington (7.5 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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