Lannon Lake Weather Forecast

    • 55
    • 74

    Rain Showers

    • 50
    • 69

    Rain Showers

    • 48
    • 68

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

    • 54
    • 78

    Partly Sunny

    • 55
    • 76

    Chance Rain Showers

Today 16 Jun Big Stone

Partly sunny. Highs in the mid 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Jun Big Stone

Partly cloudy. Lows in the upper 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

June Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 13 June, 2026

    53.6 °F

  • Average June

    71.4 °F

  • Highest 7 June, 2026

    89.6 °F

Climate (2021–Present)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.4 °F
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