South Wilmington Weather Forecast

    • 49
    • 71

    Partly Sunny

    • 51
    • 74

    Partly Sunny

    • 54
    • 75

    Mostly Sunny

    • 62
    • 77

    Rain Showers Likely

    • 63
    • 74

    Rain Showers Likely

    • 59
    • 74

    Rain Showers Likely

Today 26 Sep Grundy

Partly cloudy. Highs in the lower 70s. East Winds around 5 Mph.

Tonight 26 Sep Grundy

Partly cloudy. Lows around 50. Northeast Winds around 5 Mph.

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South Wilmington Temperature Statistics

September Temperature

Greater Kankakee Airport (23 miles)

  • Lowest 14 September, 2026

    49.1 °F

  • Average September

    71.5 °F

  • Highest 1 September, 2026

    94.3 °F

Climate (2021–2026)

Greater Kankakee Airport (23 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.6 °F
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