St. Pat's Weather Forecast

    • 64
    • 78

    Chance Rain Showers

    • 66
    • 69

    Rain Showers

    • 59
    • 74

    Rain Showers

    • 49
    • 68

    Chance Rain Showers

    • 48
    • 67

    Partly Sunny

    • 46
    • 68

    Mostly Sunny

    • 44
    • 64

    Mostly Sunny

Today 29 Sep Northern Will

Partly cloudy. Highs in the mid 60s.

Tonight 29 Sep Northern Will

Mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Pat's Temperature Statistics

September Temperature

Joliet Regional Airport (3.7 miles)

  • Lowest 26 September, 2026

    46.2 °F

  • Average September

    71.3 °F

  • Highest 2 September, 2026

    95.9 °F

Climate (2021–2026)

Joliet Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.3 °F
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