Mundelein Weather Forecast
- 30
- 65
Rain Showers Likely
- 25
- 41
Partly Sunny
- 37
- 48
Partly Sunny
- 47
- 60
Partly Sunny
- 44
- 68
Rain Showers Likely
- 49
- 59
Rain Showers Likely
Today 26 Mar Lake
Mostly cloudy. A slight chance of Showers late in the morning. A chance of Showers and a slight chance of Thunderstorms early in the Afternoon, then Showers likely and a chance of Thunderstorms. Becoming Blustery. Morning Highs in the mid 60s inland and the mid 50s near the lake. Temperature falling into the lower 40s in the afternoon. West Winds 5 to 10 Mph, becoming northeast to 15 to 25 Mph with Gusts up to 35 Mph by noon. Chance of precipitation 70 percent.
Tonight 26 Mar Lake
Mostly cloudy. A chance of rain Showers with a slight chance of Thunderstorms early in the Evening, then a slight chance of rain Showers late in the evening. Breezy with Lows around 30. Northeast Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of precipitation 50 percent.
Mundelein Temperature Statistics
March Temperature
Chicago / Wheeling, Pal-Waukee Airport (10.6 miles)
Lowest 17 March, 2026
13.6 °FAverage March
40.9 °FHighest 21 March, 2026
76.6 °F
Climate (2021–Present)
Chicago / Wheeling, Pal-Waukee Airport (10.6 miles)
Average Low 2021–2026
44.1 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
61.5 °F