Lannon Lake Weather Forecast

    • 38
    • 58

    Rain Showers Likely

    • 32
    • 48

    Breezy

    • 44
    • 62

    Sunny

    • 39
    • 68

    Mostly Sunny

    • 41
    • 66

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

Today 15 Oct Big Stone

Cloudy, breezy. Near steady temperature in the lower 50s. Northwest Winds 20 to 25 Mph with Gusts up to 35 Mph.

Tonight 15 Oct Big Stone

Cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Breezy with Lows in the upper 30s. Northwest Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

October Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 2 October, 2026

    33.8 °F

  • Average October

    56.7 °F

  • Highest 10 October, 2026

    93.2 °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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