Lannon Lake Weather Forecast

    • 46
    • 66

    Rain Showers

    • 42
    • 66

    Mostly Sunny

    • 52
    • 67

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

    • 50
    • 69

    Partly Sunny

Today 3 Oct Big Stone

Partly sunny. Scattered Showers late this Morning, then numerous Showers this afternoon. Highs in the mid 60s. South Winds 10 to 15 Mph, becoming west this afternoon. Gusts up to 30 Mph. Chance of rain 60 percent.

Tonight 3 Oct Big Stone

Mostly clear. Lows in the mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Lannon Lake Temperature Statistics

October Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 1 October, 2026

    44.6 °F

  • Average October

    56.2 °F

  • Highest 1 October, 2026

    64.4 °F

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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