Nassau Bay City Park Weather Forecast

    • 80
    • 93

    Slight Chance Thunderstorms

    • 80
    • 93

    Chance Thunderstorms

    • 80
    • 94

    Slight Chance Thunderstorms

    • 80
    • 92

    Chance Thunderstorms

    • 78
    • 91

    Slight Chance Thunderstorms

    • 76
    • 91

    Mostly Sunny

    • 77
    • 92

    Mostly Sunny

Today 13 Sep Coastal Galveston

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature around 90. Southeast Winds around 10 Mph. Chance of rain 40 percent. Heat index Values up to 108.

Tonight 13 Sep Coastal Galveston

Mostly clear. Humid with Lows around 80. South Winds 5 to 10 Mph.

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Nassau Bay City Park Temperature Statistics

September Temperature

Houston / Ellington (6.2 miles)

  • Lowest 10 September, 2026

    77 °F

  • Average September

    83.8 °F

  • Highest 7 September, 2026

    95 °F

Climate (2021–2026)

Houston / Ellington (6.2 miles)

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  • Average Low 2021–2026

    64.4 °F

  • Average 2021–2026

    72 °F

  • Average High 2021–2026

    80.4 °F
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