New Lenox Weather Forecast

    • 67
    • 84

    Partly Sunny

    • 70
    • 88

    Partly Sunny

    • 75
    • 94

    Mostly Sunny

    • 72
    • 95

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

    • 71
    • 92

    Mostly Sunny

Today 21 Jul Northern Will

Mostly cloudy late in the Morning, then becoming partly cloudy. Hazy late in the morning. Highs in the mid 80s. East Winds around 10 Mph.

Tonight 21 Jul Northern Will

Partly cloudy. Lows in the upper 60s. East Winds 5 to 10 Mph.

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New Lenox Temperature Statistics

July Temperature

Lewis University Airport (9.3 miles)

  • Lowest 18 July, 2025

    59 °F

  • Average July

    76.5 °F

  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

Lewis University Airport (9.3 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    61.7 °F
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