Wonder Lake Weather Forecast

    • 75
    • 91

    Slight Chance Thunderstorms

    • 70
    • 92

    Thunderstorms Likely

    • 67
    • 83

    Chance Thunderstorms

    • 68
    • 83

    Chance Thunderstorms

    • 69
    • 89

    Mostly Sunny

    • 70
    • 89

    Slight Chance Thunderstorms

Today 23 Jul McHenry

Partly cloudy. Scattered Showers and Thunderstorms through mid morning. A slight chance of Showers and Thunderstorms in the afternoon. Hot and humid. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of precipitation 40 percent. Heat index Values up to 107.

Tonight 23 Jul McHenry

Partly cloudy early in the Evening, then becoming mostly clear. Warm and humid with Lows in the mid 70s. Southwest Winds around 10 Mph.

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Wonder Lake Temperature Statistics

July Temperature

Burlington Municipal Airport (21.1 miles)

  • Lowest 18 July, 2025

    49.3 °F

  • Average July

    71.2 °F

  • Highest 3 July, 2025

    88.3 °F

Climate (2020–Present)

Burlington Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    59.5 °F
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