South Wilmington Weather Forecast

    • 68
    • 82

    Partly Sunny

    • 71
    • 88

    Partly Sunny

    • 75
    • 94

    Mostly Sunny

    • 72
    • 95

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 70
    • 92

    Partly Sunny

Today 21 Jul Grundy

Mostly cloudy. Highs in the lower 80s. East Winds around 10 Mph.

Tonight 21 Jul Grundy

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

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South Wilmington Temperature Statistics

July Temperature

Greater Kankakee Airport (23 miles)

  • Lowest 8 July, 2025

    61.2 °F

  • Average July

    76 °F

  • Highest 5 July, 2025

    91.2 °F

Climate (2020–Present)

Greater Kankakee Airport (23 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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