Lake Arlington Weather Forecast
- 42
- 54
Rain Showers Likely
- 38
- 52
Mostly Cloudy
- 34
- 53
Mostly Sunny
- 39
- 56
Partly Sunny
- 45
- 57
Chance Rain Showers
- 49
- 59
Slight Chance Rain Showers
Today 21 Oct Northern Cook
Mostly cloudy. A chance of Showers early in the afternoon. Showers likely late. Windy. Highs in the mid 50s. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 60 percent.
Tonight 21 Oct Northern Cook
Mostly cloudy. Showers likely early in the Evening, then a slight chance of Showers late in the evening. Breezy with Lows in the lower 40s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 60 percent.
Lake Arlington Temperature Statistics
October Temperature
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Lowest 9 October, 2025
43 °FAverage October
63 °FHighest 3 October, 2025
89.1 °F
Climate (2020–Present)
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Average Low 2020–2025
44.3 °FAverage 2020–2025
53.1 °FAverage High 2020–2025
61.6 °F