Peotone Weather Forecast

    • 61
    • 85

    Mostly Sunny

    • 62
    • 86

    Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

    • 63
    • 79

    Chance Thunderstorms

    • 61
    • 78

    Chance Rain Showers

    • 58
    • 76

    Chance Rain Showers

Today 18 Sep Eastern Will

Sunny. Patchy fog through mid morning. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 18 Sep Eastern Will

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.

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Peotone Temperature Statistics

September Temperature

Greater Kankakee Airport (18 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    63.9 °F

  • Highest 15 September, 2025

    87.8 °F

Climate (2020–Present)

Greater Kankakee Airport (18 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    61.7 °F
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