Lannon Lake Weather Forecast

    • 48
    • 61

    Mostly Cloudy

    • 47
    • 71

    Rain Showers Likely

    • 42
    • 65

    Mostly Sunny

    • 52
    • 67

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 51
    • 72

    Partly Sunny

Today 2 Oct Big Stone

Partly sunny. A chance of Sprinkles this afternoon. Highs in the lower 60s. South Winds 5 to 10 Mph.

Tonight 2 Oct Big Stone

Mostly cloudy with a chance of Sprinkles in the Evening, then partly cloudy after midnight. Not as cool with Lows in the upper 40s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Lannon Lake Temperature Statistics

October Temperature

Wheaton Municipal Airport (16.8 miles)

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  • Average October

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Climate (2021–2026)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.4 °F
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