St. Pat's Weather Forecast

    • 59
    • 70

    Rain Showers

    • 55
    • 63

    Chance Rain Showers

    • 53
    • 65

    Mostly Cloudy

    • 52
    • 66

    Partly Sunny

    • 53
    • 67

    Mostly Cloudy

    • 52
    • 69

    Partly Sunny

Today 20 Sep Northern Will

Showers. Highs in the upper 60s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 20 Sep Northern Will

Cloudy. A chance of Showers until early Morning, then a slight 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 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Pat's Temperature Statistics

September Temperature

Joliet Regional Airport (3.7 miles)

  • Lowest 14 September, 2026

    50 °F

  • Average September

    75.1 °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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