Williams Lake Weather Forecast

    • 34
    • 64

    Gradual Clearing

    • 42
    • 56

    Partly Sunny

    • 59
    • 69

    Mostly Cloudy

    • 61
    • 73

    Chance Rain Showers

    • 53
    • 78

    Partly Sunny

    • 55
    • 70

    Mostly Cloudy

Today 14 Dec Coastal Matagorda

Mostly cloudy Early, then becoming partly sunny. Breezy, cooler with Highs in the mid 60s. Temperature falling into the mid 50s. Northeast Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 14 Dec Coastal Matagorda

Partly cloudy in the Evening, then becoming mostly clear. Much cooler with Lows in the mid 30s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Williams Lake Temperature Statistics

December Temperature

Bay City, Bay City Municipal Airport (9.9 miles)

  • Lowest 9 December, 2025

    36 °F

  • Average December

    54.4 °F

  • Highest 12 December, 2025

    79.5 °F

Climate (2020–Present)

Bay City, Bay City Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    61.6 °F

  • Average 2020–2025

    70.1 °F

  • Average High 2020–2025

    79.9 °F
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