St. Pat's Weather Forecast

    • 72
    • 86

    Mostly Cloudy

    • 65
    • 81

    Rain Showers Likely

    • 54
    • 79

    Mostly Sunny

    • 64
    • 79

    Mostly Sunny

    • 66
    • 86

    Chance Thunderstorms

    • 63
    • 82

    Chance Rain Showers

    • 66
    • 83

    Rain Showers Likely

Today 8 Sep Northern Will

Mostly cloudy. Near steady temperature in the mid 80s. South Winds 5 to 10 Mph.

Tonight 8 Sep Northern Will

Partly cloudy in the Evening, then becoming mostly cloudy. Scattered Showers and a slight chance of Thunderstorms late. Lows around 70. South Winds 5 to 10 Mph. Chance of precipitation 40 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 6 September, 2026

    67.8 °F

  • Average September

    81.7 °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

    43.6 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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