Big Lake Weather Forecast

    • 76
    • 96

    Slight Chance Thunderstorms

    • 77
    • 96

    Chance Thunderstorms

    • 75
    • 93

    Chance Thunderstorms

    • 72
    • 95

    Mostly Sunny

    • 73
    • 95

    Slight Chance Thunderstorms

    • 74
    • 95

    Chance Thunderstorms

Today 15 Sep Inland Matagorda

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs in the mid 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 108.

Tonight 15 Sep Inland Matagorda

Mostly clear. Humid with Lows in the upper 70s. Southeast Winds 5 to 10 Mph, becoming east after midnight. Heat index Values up to 106 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lake Temperature Statistics

September Temperature

Bay City, Bay City Municipal Airport (13 miles)

  • Lowest 5 September, 2026

    74.5 °F

  • Average September

    83.2 °F

  • Highest 7 September, 2026

    96.1 °F

Climate (2021–2026)

Bay City, Bay City Municipal Airport (13 miles)

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  • Average Low 2021–2026

    62.2 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    80.5 °F
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