St. Pat's Weather Forecast
- 52
- 76
Chance Rain Showers
- 68
- 76
Partly Sunny
- 65
- 87
Rain Showers
- 67
- 76
Rain Showers Likely
- 63
- 81
Chance Rain Showers
- 61
- 77
Chance Rain Showers
Today 13 Sep Northern Will
Mostly cloudy. A chance of Showers early in the afternoon. Highs in the mid 70s. North Winds 5 to 10 Mph. Chance of precipitation 40 percent.
Tonight 13 Sep Northern Will
Mostly clear after Midnight, then becoming partly cloudy. Lows in the lower 60s. North Winds around 5 Mph.
St. Pat's Temperature Statistics
September Temperature
Joliet Regional Airport (3.7 miles)
Lowest 7 September, 2026
60.1 °FAverage September
78.3 °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
63.4 °F