St. Pat's Weather Forecast
- 63
- 80
Decreasing Clouds
- 61
- 80
Mostly Sunny
- 64
- 79
Chance Rain Showers
- 61
- 79
Slight Chance Thunderstorms
- 59
- 76
Partly Sunny
- 61
- 76
Partly Sunny
Today 19 Aug Northern Will
Mostly cloudy. Areas of fog early in the morning. A slight chance of Showers and Thunderstorms in the afternoon. Humid. Highs in the upper 70s. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.
Tonight 19 Aug Northern Will
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph.
St. Pat's Temperature Statistics
August Temperature
Joliet Regional Airport (3.7 miles)
Lowest 3 August, 2026
60.6 °FAverage August
75.4 °FHighest 10 August, 2026
89.4 °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