St. Pat's Weather Forecast

    • 72
    • 93

    Chance Thunderstorms

    • 67
    • 87

    Mostly Sunny

    • 63
    • 83

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

    • 72
    • 89

    Slight Chance Thunderstorms

    • 68
    • 91

    Chance Rain Showers

    • 62
    • 83

    Partly Sunny

Today 4 Sep Northern Will

Mostly sunny. Hot. Highs in the lower 90s. Southwest Winds 10 to 15 Mph. Heat index Values up to 105.

Tonight 4 Sep Northern Will

Partly cloudy. A slight chance of Showers and Thunderstorms late in the evening. A chance of Showers and Thunderstorms after Midnight, then a slight chance of Showers and Thunderstorms late. Patchy fog late. Humid with Lows in the lower 70s. West Winds around 5 Mph. Chance of precipitation 30 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 2 September, 2026

    72.9 °F

  • Average September

    83.7 °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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