Big Lake Weather Forecast

    • 72
    • 92

    Slight Chance Thunderstorms

    • 70
    • 93

    Mostly Sunny

    • 70
    • 93

    Partly Sunny

    • 71
    • 94

    Mostly Sunny

    • 70
    • 93

    Slight Chance Thunderstorms

Today 14 Sep Inland Matagorda

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 14 Sep Inland Matagorda

Partly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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Big Lake Temperature Statistics

September Temperature

Bay City, Bay City Municipal Airport (13 miles)

  • Lowest 10 September, 2025

    63.1 °F

  • Average September

    79.2 °F

  • Highest 4 September, 2025

    94.5 °F

Climate (2020–Present)

Bay City, Bay City Municipal Airport (13 miles)

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  • Average Low 2020–2025

    61.5 °F

  • Average 2020–2025

    70 °F

  • Average High 2020–2025

    79.7 °F
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