St. Pat's Weather Forecast

    • 69
    • 77

    Mostly Cloudy

    • 74
    • 90

    Chance Thunderstorms

    • 72
    • 93

    Chance Thunderstorms

    • 64
    • 87

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 66
    • 86

    Slight Chance Thunderstorms

    • 67
    • 86

    Slight Chance Thunderstorms

Today 25 Jul Northern Will

Cloudy. Temperatures in the mid 70s. South Winds around 10 Mph.

Tonight 25 Jul Northern Will

Mostly cloudy. Patchy fog late. Humid. Lows in the upper 60s. South Winds 5 to 10 Mph.

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St. Pat's Temperature Statistics

July Temperature

Joliet Regional Airport (3.7 miles)

  • Lowest 23 July, 2026

    50.7 °F

  • Average July

    78 °F

  • Highest 2 July, 2026

    94.6 °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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