Addison Weather Forecast
- 74
- 91
Chance Thunderstorms
- 66
- 85
Partly Sunny
- 63
- 80
Partly Sunny
- 65
- 82
Mostly Cloudy
- 72
- 87
Chance Rain Showers
- 67
- 90
Chance Rain Showers
- 62
- 81
Partly Sunny
Today 4 Sep DuPage
Mostly sunny. Highs in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 101.
Tonight 4 Sep DuPage
Partly cloudy. A slight chance of Showers and Thunderstorms late in the evening. A chance of Showers and Thunderstorms after Midnight, then a slight chance of Showers and Thunderstorms late. Patchy fog late. Humid with Lows in the lower 70s. West Winds around 5 Mph. Chance of precipitation 30 percent.
Addison Temperature Statistics
September Temperature
Chicago, Chicago-O'Hare International Airport (5 miles)
Lowest 1 September, 2026
77.6 °FAverage September
86.4 °FHighest 1 September, 2026
95.6 °F
Climate (2021–2026)
Chicago, Chicago-O'Hare International Airport (5 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
61.9 °F