Ontarioville Weather Forecast
- 44
- 63
Mostly Sunny
- 44
- 63
Decreasing Clouds
- 47
- 66
Mostly Sunny
- 54
- 68
Partly Sunny
- 51
- 75
Partly Sunny
- 48
- 68
Partly Sunny
- 48
- 65
Partly Sunny
Today 9 Oct DuPage
Sunny. Highs in the mid 60s. Southeast Winds around 5 Mph.
Tonight 9 Oct DuPage
Mostly clear. Lows in the mid 40s. Southeast Winds around 5 Mph.
Ontarioville Temperature Statistics
October Temperature
Chicago / West Chicago, Dupage Airport (8.1 miles)
Lowest 7 October, 2025
50 °FAverage October
69.5 °FHighest 3 October, 2025
89.1 °F
Climate (2020–Present)
Chicago / West Chicago, Dupage Airport (8.1 miles)
Average Low 2020–2025
42.2 °FAverage 2020–2025
51.9 °FAverage High 2020–2025
61.4 °F