Naperville Weather Forecast
- 70
- 87
Partly Sunny
- 76
- 92
Partly Sunny
- 72
- 95
Thunderstorms Likely
- 68
- 84
Thunderstorms Likely
- 70
- 87
Chance Thunderstorms
- 70
- 92
Mostly Sunny
- 71
- 92
Slight Chance Thunderstorms
Today 22 Jul DuPage
Partly cloudy late in the Morning, then becoming mostly sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph.
Tonight 22 Jul DuPage
Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph.
Naperville Temperature Statistics
July Temperature
Chicago / West Chicago, Dupage Airport (9.3 miles)
Lowest 18 July, 2025
56.6 °FAverage July
76.4 °FHighest 5 July, 2025
93.7 °F
Climate (2020–Present)
Chicago / West Chicago, Dupage Airport (9.3 miles)
Average Low 2020–2025
42 °FAverage 2020–2025
51.7 °FAverage High 2020–2025
61.2 °F