Des Plaines Weather Forecast
- 70
- 89
Rain Showers Likely
- 65
- 78
Partly Sunny
- 66
- 80
Mostly Sunny
- 69
- 85
Mostly Cloudy
- 68
- 82
Chance Rain Showers
- 66
- 81
Slight Chance Thunderstorms
Today 27 Jul Northern Cook
Mostly cloudy in the Morning, then becoming partly cloudy. Showers likely in the morning. A chance of Thunderstorms. A chance of Showers in the afternoon. Humid with Highs in the upper 80s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon. Chance of precipitation 60 percent. Heat index Values up to 101.
Tonight 27 Jul Northern Cook
Partly cloudy after Midnight, then becoming mostly cloudy. A chance of Showers and Thunderstorms late. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph. Chance of precipitation 50 percent.
Des Plaines Temperature Statistics
July Temperature
Chicago, Chicago-O'Hare International Airport (3.7 miles)
Lowest 23 July, 2026
58.6 °FAverage July
77.9 °FHighest 14 July, 2026
96.7 °F
Climate (2021–2026)
Chicago, Chicago-O'Hare International Airport (3.7 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
62 °F