St. Pat's Weather Forecast
- 58
- 71
Mostly Cloudy
- 52
- 67
Mostly Cloudy
- 54
- 68
Mostly Cloudy
- 53
- 67
Partly Sunny
- 55
- 70
Partly Sunny
- 62
- 74
Rain Showers Likely
Today 24 Sep Northern Will
Mostly cloudy. Highs around 70. East Winds 5 to 10 Mph.
Tonight 24 Sep Northern Will
Mostly cloudy. Lows in the upper 50s. East Winds around 5 Mph.
St. Pat's Temperature Statistics
September Temperature
Joliet Regional Airport (3.7 miles)
Lowest 14 September, 2026
50 °FAverage September
73.9 °FHighest 2 September, 2026
95.9 °F
Climate (2021–2026)
Joliet Regional Airport (3.7 miles)
Average Low 2021–2026
43.7 °FAverage 2021–2026
53.8 °FAverage High 2021–2026
63.3 °F