St. Pat's Weather Forecast

    • 73
    • 93

    Becoming Sunny

    • 74
    • 94

    Mostly Sunny

    • 75
    • 91

    Thunderstorms

    • 73
    • 89

    Slight Chance Thunderstorms

    • 71
    • 90

    Chance Rain Showers

    • 68
    • 87

    Partly Sunny

Today 1 Sep Northern Will

Partly cloudy. Hot. Highs in the lower 90s. Southwest Winds around 10 Mph. Heat index Values up to 106.

Tonight 1 Sep Northern Will

Mostly clear. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph.

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St. Pat's Temperature Statistics

September Temperature

Joliet Regional Airport (3.7 miles)

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  • Average September

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Climate (2021–2026)

Joliet Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.3 °F
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