Cathedral Area Weather Forecast

    • 21
    • 30

    Increasing Clouds

    • 37
    • 43

    Cloudy

    • 32
    • 46

    Mostly Cloudy

    • 47
    • 47

    Rain Likely

    • 40
    • 58

    Chance Drizzle

    • 35
    • 50

    Mostly Cloudy

Today 21 Dec Northern Will

Sunny. Highs around 30. Northwest Winds around 5 Mph, becoming southwest in the afternoon.

Tonight 21 Dec Northern Will

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 20s. Temperature rising into the upper 20s after midnight. South Winds 5 to 10 Mph.

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Cathedral Area Temperature Statistics

December Temperature

Joliet Regional Airport (3.7 miles)

  • Lowest 5 December, 2025

    -1.1 °F

  • Average December

    24.6 °F

  • Highest 18 December, 2025

    51.8 °F

Climate (2020–Present)

Joliet Regional Airport (3.7 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    63 °F
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