Williams Lake Weather Forecast

    • 63
    • 83

    Chance Thunderstorms

    • 60
    • 75

    Chance Thunderstorms

    • 59
    • 71

    Chance Thunderstorms

    • 60
    • 71

    Chance Thunderstorms

    • 58
    • 75

    Chance Rain Showers

    • 53
    • 75

    Chance Rain Showers

Today 17 Sep Isanti

Sunny then becoming mostly sunny in the late morning and early afternoon then becoming partly sunny. Patchy fog early in the morning. Highs in the lower 80s. North Winds up to 5 Mph shifting to the northeast around 5 Mph in the afternoon.

Tonight 17 Sep Isanti

Mostly cloudy. Chance of Thunderstorms in the Evening, then chance of Showers and slight chance of Thunderstorms after midnight. Lows in the lower 60s. Northeast Winds up to 5 Mph. Chance of precipitation 40 percent.

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Williams Lake Temperature Statistics

September Temperature

Cambridge Municipal Airport (5 miles)

  • Lowest 7 September, 2025

    38.7 °F

  • Average September

    60.2 °F

  • Highest 13 September, 2025

    82.4 °F

Climate (2020–Present)

Cambridge Municipal Airport (5 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    55.4 °F
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