St. Pat's Weather Forecast
- 42
- 70
Mostly Sunny
- 47
- 72
Mostly Sunny
- 48
- 73
Mostly Sunny
- 49
- 70
Partly Sunny
- 52
- 72
Partly Sunny
- 52
- 74
Mostly Cloudy
- 47
- 67
Partly Sunny
Today 20 Oct Northern Will
Mostly cloudy in the Morning, then becoming partly cloudy. Highs around 60.
Tonight 20 Oct Northern Will
Mostly clear. Patchy fog late. Lows in the lower 40s. East Winds around 5 Mph.
St. Pat's Temperature Statistics
October Temperature
Joliet Regional Airport (3.7 miles)
Lowest 18 October, 2026
35.6 °FAverage October
61.7 °FHighest 12 October, 2026
89.6 °F
Climate (2021–2026)
Joliet Regional Airport (3.7 miles)
Average Low 2021–2026
43.6 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
63.3 °F