Gilman Weather Forecast

    • 54
    • 83

    Increasing Clouds

    • 58
    • 79

    Partly Sunny

    • 55
    • 83

    Partly Sunny

    • 54
    • 82

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 64
    • 86

    Partly Sunny

Today 30 May Iroquois

Partly cloudy. Highs in the lower 80s. East Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon.

Tonight 30 May Iroquois

Partly cloudy. Lows in the lower 50s. East Winds 10 to 15 Mph.

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Gilman Temperature Statistics

May Temperature

Greater Kankakee Airport (21.7 miles)

  • Lowest 2 May, 2026

    33.1 °F

  • Average May

    60.5 °F

  • Highest 27 May, 2026

    87.6 °F

Climate (2021–Present)

Greater Kankakee Airport (21.7 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.6 °F
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