Romeoville Weather Forecast
- 68
- 90
Thunderstorms Likely
- 62
- 82
Rain Showers
- 65
- 83
Mostly Sunny
- 72
- 87
Partly Sunny
- 76
- 94
Mostly Sunny
- 75
- 94
Mostly Sunny
Today 17 Jun Northern Will
Partly cloudy through mid Afternoon, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms early to mid afternoon. A chance of Showers and Thunderstorms late in the afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of precipitation 40 percent.
Tonight 17 Jun Northern Will
Mostly cloudy. Showers and Thunderstorms likely early in the Evening, then a chance of Showers and Thunderstorms in the late evening and overnight. Lows in the upper 60s. Southwest Winds 5 to 10 Mph, becoming south after midnight. Chance of precipitation 60 percent.
Romeoville Temperature Statistics
June Temperature
Lewis University Airport (3.1 miles)
Lowest 1 June, 2025
42.7 °FAverage June
66.2 °FHighest 11 June, 2025
89.6 °F
Climate (2020–Present)
Lewis University Airport (3.1 miles)
Average Low 2020–2025
43.3 °FAverage 2020–2025
52.3 °FAverage High 2020–2025
61.6 °F