Wonder Lake Weather Forecast

    • 38
    • 54

    Increasing Clouds

    • 35
    • 54

    Mostly Cloudy

    • 32
    • 50

    Mostly Cloudy

    • 38
    • 53

    Chance Rain

    • 35
    • 57

    Mostly Sunny

    • 39
    • 59

    Partly Sunny

Today 30 Oct McHenry

Partly cloudy in the Morning, then becoming mostly cloudy. Highs in the mid 50s. North Winds 5 to 10 Mph.

Tonight 30 Oct McHenry

Mostly cloudy. Lows in the upper 30s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

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Wonder Lake Temperature Statistics

October Temperature

Burlington Municipal Airport (21.1 miles)

  • Lowest 25 October, 2025

    27 °F

  • Average October

    54.7 °F

  • Highest 3 October, 2025

    87.6 °F

Climate (2020–Present)

Burlington Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    59.7 °F
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