Williams Lake Weather Forecast

    • 52
    • 64

    Mostly Cloudy

    • 49
    • 67

    Gradual Clearing

    • 34
    • 69

    Sunny

    • 45
    • 69

    Sunny

    • 44
    • 82

    Sunny

    • 43
    • 72

    Mostly Sunny

    • 48
    • 74

    Mostly Sunny

Today 16 Dec Mills

Mostly cloudy. Highs in the lower 60s. South Winds 10 to 15 Mph.

Tonight 16 Dec Mills

Mostly cloudy. Not as cool with Lows in the lower 50s. South Winds 5 to 10 Mph.

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Williams Lake Temperature Statistics

December Temperature

Brownwood, Brownwood Regional Airport (18 miles)

  • Lowest 2 December, 2025

    23.7 °F

  • Average December

    46.9 °F

  • Highest 12 December, 2025

    76.1 °F

Climate (2020–Present)

Brownwood, Brownwood Regional Airport (18 miles)

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  • Average Low 2020–2025

    51.4 °F

  • Average 2020–2025

    64.5 °F

  • Average High 2020–2025

    77.5 °F
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