Lyons Weather Forecast

    • 70
    • 83

    Partly Sunny

    • 73
    • 90

    Partly Sunny

    • 78
    • 95

    Mostly Sunny

    • 74
    • 96

    Thunderstorms Likely

    • 72
    • 89

    Chance Thunderstorms

    • 73
    • 88

    Chance Thunderstorms

    • 73
    • 91

    Mostly Sunny

Today 21 Jul Central Cook

Partly cloudy. Hazy late in the morning. Highs in the lower 80s Inland, but only in the upper 70s near the lake. East Winds around 10 Mph.

Tonight 21 Jul Central Cook

Partly cloudy. Lows around 70. East Winds 5 to 10 Mph, becoming southeast after midnight.

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Lyons Temperature Statistics

July Temperature

Chicago, Chicago Midway Airport (3.7 miles)

  • Lowest 18 July, 2025

    61 °F

  • Average July

    78.6 °F

  • Highest 5 July, 2025

    93.9 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (3.7 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    61.8 °F
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