Gurnee Weather Forecast
- 65
- 75
Increasing Clouds
- 66
- 83
Rain Showers Likely
- 64
- 75
Slight Chance Thunderstorms
- 68
- 79
Slight Chance Thunderstorms
- 74
- 86
Chance Thunderstorms
- 74
- 92
Chance Thunderstorms
- 71
- 89
Chance Thunderstorms
Today 18 Jul Lake
Partly cloudy. Highs in the upper 70s Inland, but only in the lower 70s near the lake. East Winds 5 to 10 Mph.
Tonight 18 Jul Lake
Partly cloudy through the early Overnight, then becoming mostly cloudy. A slight chance of Showers after midnight. A slight chance of Thunderstorms after midnight. A chance of Showers late. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of precipitation 40 percent.
Gurnee Temperature Statistics
July Temperature
Chicago/Waukegan Regional Airport (3.7 miles)
Lowest 10 July, 2025
60.7 °FAverage July
76.1 °FHighest 5 July, 2025
93.7 °F
Climate (2020–Present)
Chicago/Waukegan Regional Airport (3.7 miles)
Average Low 2020–2025
42.2 °FAverage 2020–2025
51 °FAverage High 2020–2025
59.5 °F