Williams Lake Weather Forecast

    • 77
    • 93

    Mostly Sunny

    • 76
    • 95

    Mostly Sunny

    • 78
    • 96

    Chance Thunderstorms

    • 79
    • 91

    Chance Thunderstorms

    • 80
    • 91

    Chance Thunderstorms

    • 78
    • 92

    Slight Chance Thunderstorms

Today 22 Jul Coastal Matagorda

Mostly sunny. Humid with Highs in the lower 90s. South Winds 10 to 15 Mph.

Tonight 22 Jul Coastal Matagorda

Mostly clear. Humid with Lows in the upper 70s. South Winds 10 to 15 Mph.

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Williams Lake Temperature Statistics

July Temperature

Bay City, Bay City Municipal Airport (9.9 miles)

  • Lowest 17 July, 2025

    71.6 °F

  • Average July

    82.1 °F

  • Highest 19 July, 2025

    91.8 °F

Climate (2020–Present)

Bay City, Bay City Municipal Airport (9.9 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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