Lannon Lake Weather Forecast

    • 39
    • 62

    Slight Chance Rain

    • 27
    • 47

    Mostly Cloudy

    • 21
    • 37

    Partly Sunny

    • 25
    • 38

    Mostly Sunny

    • 29
    • 41

    Partly Sunny

    • 33
    • 43

    Partly Sunny

    • 38
    • 50

    Partly Sunny

Today 10 Nov Big Stone

Mostly cloudy. Highs in the lower 60s. South Winds 5 to 10 Mph.

Tonight 10 Nov Big Stone

Mostly cloudy. Lows in the upper 30s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Lannon Lake Temperature Statistics

November Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 6 November, 2026

    26.6 °F

  • Average November

    45.4 °F

  • Highest 2 November, 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

    44.7 °F

  • Average High 2021–2026

    54.5 °F
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