Wilmette Weather Forecast
- 69
- 79
Chance Thunderstorms
- 69
- 78
Thunderstorms Likely
- 67
- 78
Chance Rain Showers
- 64
- 76
Mostly Cloudy
- 64
- 73
Chance Thunderstorms
- 65
- 75
Chance Rain Showers
Today 10 Aug Northern Cook
Mostly cloudy. A slight chance of Showers and Thunderstorms early in the morning. A chance of Showers and Thunderstorms in the afternoon. Humid. Highs in the lower 80s Inland, but only in the upper 70s near the lake. Northwest Winds around 5 Mph, becoming east in the afternoon. Chance of precipitation 40 percent.
Tonight 10 Aug Northern Cook
Mostly cloudy. A chance of Showers and Thunderstorms. Humid with Lows in the upper 60s. East Winds around 5 Mph. Chance of precipitation 50 percent.
Wilmette Temperature Statistics
August Temperature
Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)
Lowest 3 August, 2026
61.6 °FAverage August
73.1 °FHighest 7 August, 2026
86 °F
Climate (2021–2026)
Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
61.6 °F