Lake Arlington Weather Forecast
- 66
- 82
Rain Showers
- 64
- 73
Rain Showers
- 60
- 73
Partly Sunny
- 63
- 78
Mostly Sunny
- 66
- 83
Partly Sunny
- 66
- 84
Slight Chance Thunderstorms
Today 31 Jul Northern Cook
Mostly cloudy. A chance of Showers early in the afternoon. Showers likely late. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of precipitation 70 percent.
Tonight 31 Jul Northern Cook
Showers. A slight chance of Thunderstorms late in the Evening, then a chance of Thunderstorms after midnight. Lows in the mid 60s. Southeast Winds 10 to 15 Mph. Chance of precipitation near 100 percent.
Lake Arlington Temperature Statistics
July Temperature
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Lowest 23 July, 2026
54.6 °FAverage July
76.4 °FHighest 14 July, 2026
97.6 °F
Climate (2021–2026)
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
61.6 °F