Ritchie Weather Forecast

    • 58
    • 72

    Rain Showers

    • 54
    • 66

    Chance Rain Showers

    • 53
    • 64

    Slight Chance Rain Showers

    • 53
    • 67

    Mostly Cloudy

    • 55
    • 70

    Mostly Cloudy

    • 54
    • 73

    Partly Sunny

Today 20 Sep Southern Will

Patchy fog early in the morning. A chance of Thunderstorms in the morning. Showers. A slight chance of Thunderstorms in the afternoon. Humid. Near steady temperature around 70. Northeast Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 20 Sep Southern Will

Mostly cloudy. A slight chance of Showers in the late evening and early morning. A chance of Showers late. Lows in the upper 50s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ritchie Temperature Statistics

September Temperature

Greater Kankakee Airport (18 miles)

  • Lowest 14 September, 2026

    49.1 °F

  • Average September

    74.3 °F

  • Highest 1 September, 2026

    94.3 °F

Climate (2021–2026)

Greater Kankakee Airport (18 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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