Williams Lake Weather Forecast

    • 55
    • 73

    Gradual Clearing

    • 59
    • 76

    Mostly Cloudy

    • 62
    • 80

    Mostly Cloudy

    • 63
    • 82

    Mostly Cloudy

    • 61
    • 80

    Mostly Cloudy

    • 61
    • 78

    Slight Chance Thunderstorms

Today 10 Sep Isanti

Mostly cloudy. Widespread dense fog in the morning. Highs in the lower 70s. Northeast Winds up to 5 Mph.

Tonight 10 Sep Isanti

Mostly cloudy. Widespread dense fog. Near steady temperature around 60. Light Winds.

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Williams Lake Temperature Statistics

September Temperature

Cambridge Municipal Airport (5 miles)

  • Lowest 7 September, 2025

    38.7 °F

  • Average September

    55.1 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Cambridge Municipal Airport (5 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    55.4 °F
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