St. Pat's Weather Forecast

    • 68
    • 77

    Chance Thunderstorms

    • 66
    • 88

    Rain Showers Likely

    • 68
    • 78

    Rain Showers Likely

    • 65
    • 82

    Slight Chance Rain Showers

    • 65
    • 79

    Chance Rain Showers

    • 63
    • 81

    Chance Rain Showers

Today 14 Sep Northern Will

Partly cloudy in the Morning, then becoming mostly cloudy. Patchy fog early in the morning. A slight chance of Showers late. Highs in the mid 70s. East Winds 5 to 10 Mph, increasing to southeast 10 to 15 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 14 Sep Northern Will

Clear. Patchy fog. Lows in the lower 50s. North Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Pat's Temperature Statistics

September Temperature

Joliet Regional Airport (3.7 miles)

  • Lowest 11 September, 2026

    55.4 °F

  • Average September

    77.6 °F

  • Highest 2 September, 2026

    95.9 °F

Climate (2021–2026)

Joliet Regional Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
Get WillyWeather+ to remove ads