McCullom Lake Weather Forecast

    • 54
    • 74

    Becoming Sunny

    • 58
    • 77

    Partly Sunny

    • 61
    • 80

    Mostly Sunny

    • 68
    • 84

    Partly Sunny

    • 68
    • 91

    Partly Sunny

    • 65
    • 89

    Slight Chance Thunderstorms

Today 22 Jul McHenry

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 22 Jul McHenry

Mostly clear. Lows in the mid 50s. Northeast Winds around 5 Mph, becoming west after midnight.

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McCullom Lake Temperature Statistics

July Temperature

Burlington Municipal Airport (21.7 miles)

  • Lowest 7 July, 2026

    55.2 °F

  • Average July

    75.6 °F

  • Highest 14 July, 2026

    95.4 °F

Climate (2021–2026)

Burlington Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.9 °F
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