New Lenox Weather Forecast

    • 36
    • 50

    Decreasing Clouds

    • 34
    • 54

    Mostly Sunny

    • 37
    • 56

    Partly Sunny

    • 44
    • 59

    Mostly Cloudy

    • 46
    • 62

    Slight Chance Rain Showers

    • 48
    • 62

    Mostly Cloudy

Today 22 Oct Northern Will

Cloudy, breezy. Highs around 50. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 22 Oct Northern Will

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 30s. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

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New Lenox Temperature Statistics

October Temperature

Lewis University Airport (9.3 miles)

  • Lowest 20 October, 2025

    37.4 °F

  • Average October

    60.8 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Lewis University Airport (9.3 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    61.9 °F
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