Old Mill Creek Weather Forecast
- 67
- 75
Chance Thunderstorms
- 67
- 83
Rain Showers
- 48
- 82
Rain Showers Likely
- 42
- 60
Mostly Cloudy
- 45
- 59
Partly Sunny
- 49
- 62
Partly Sunny
Today 17 May Lake
Mostly cloudy. A chance of Showers and Thunderstorms in the Morning, then a slight chance of Showers and Thunderstorms early in the afternoon. Breezy with Highs in the lower 80s Inland, but only in the upper 60s near the lake. East Winds 10 to 15 Mph, increasing to southeast 15 to 20 Mph with Gusts up to 30 Mph in the afternoon. Chance of precipitation 50 percent.
Tonight 17 May Lake
Partly cloudy. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.
Old Mill Creek Temperature Statistics
May Temperature
Chicago/Waukegan Regional Airport (5.6 miles)
Lowest 2 May, 2026
27.6 °FAverage May
48.4 °FHighest 4 May, 2026
80.7 °F
Climate (2021–Present)
Chicago/Waukegan Regional Airport (5.6 miles)
Average Low 2021–2026
42.2 °FAverage 2021–2026
51.1 °FAverage High 2021–2026
59.8 °F