Nassau Bay Weather Forecast

    • 75
    • 92

    Mostly Sunny

    • 75
    • 90

    Slight Chance Thunderstorms

    • 75
    • 90

    Partly Sunny

    • 75
    • 89

    Chance Rain Showers

    • 75
    • 89

    Chance Thunderstorms

    • 75
    • 89

    Chance Thunderstorms

Today 16 Sep Coastal Harris

Sunny. Highs in the lower 90s. North Winds around 5 Mph, becoming east in the afternoon.

Tonight 16 Sep Coastal Harris

Mostly clear. Lows in the mid 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Nassau Bay Temperature Statistics

September Temperature

Houston / Ellington (5.6 miles)

  • Lowest 9 September, 2025

    68 °F

  • Average September

    81.6 °F

  • Highest 3 September, 2025

    95 °F

Climate (2020–Present)

Houston / Ellington (5.6 miles)

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  • Average Low 2020–2025

    63.7 °F

  • Average 2020–2025

    71.3 °F

  • Average High 2020–2025

    79.7 °F
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