Williams Lake Weather Forecast

    • 54
    • 75

    Increasing Clouds

    • 41
    • 64

    Partly Sunny

    • 43
    • 62

    Partly Sunny

    • 43
    • 61

    Chance Rain Showers

    • 37
    • 60

    Mostly Sunny

    • 46
    • 59

    Partly Sunny

Today 30 Sep Isanti

Warmer. Mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 30 Sep Isanti

Mostly cloudy. Lows in the mid 50s. Southwest Winds up to 5 Mph shifting to the northwest after midnight.

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  • Temperature Real-Time

Williams Lake Temperature Statistics

September Temperature

Cambridge Municipal Airport (5 miles)

  • Lowest 14 September, 2026

    40.3 °F

  • Average September

    63 °F

  • Highest 3 September, 2026

    87.1 °F

Climate (2021–2026)

Cambridge Municipal Airport (5 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.8 °F
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