Lyons Weather Forecast
- 79
- 94
Mostly Sunny
- 74
- 97
Thunderstorms Likely
- 70
- 83
Thunderstorms Likely
- 73
- 87
Chance Thunderstorms
- 73
- 91
Mostly Sunny
- 73
- 93
Slight Chance Thunderstorms
Today 23 Jul Central Cook
Partly cloudy. Hot and humid with Highs in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 104.
Tonight 23 Jul Central Cook
Mostly clear. Very warm and humid with Lows in the upper 70s. South Winds 5 to 10 Mph. Heat index Values up to 102 early in the evening.
Lyons Temperature Statistics
July Temperature
Chicago, Chicago Midway Airport (3.7 miles)
Lowest 18 July, 2025
61 °FAverage July
78.3 °FHighest 5 July, 2025
93.9 °F
Climate (2020–Present)
Chicago, Chicago Midway Airport (3.7 miles)
Average Low 2020–2025
46.6 °FAverage 2020–2025
54.2 °FAverage High 2020–2025
61.8 °F