Prospect Heights Weather Forecast
- 65
- 83
Slight Chance Thunderstorms
- 70
- 84
Rain Showers Likely
- 68
- 85
Thunderstorms Likely
- 65
- 80
Rain Showers Likely
- 63
- 80
Chance Thunderstorms
- 61
- 77
Slight Chance Thunderstorms
Today 8 Aug Northern Cook
Partly cloudy in the Morning, then clearing. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.
Tonight 8 Aug Northern Cook
Clear in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms late. Lows in the mid 60s. South Winds around 5 Mph. Chance of precipitation 20 percent.
Prospect Heights Temperature Statistics
August Temperature
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Lowest 3 August, 2026
61.6 °FAverage August
72.2 °FHighest 4 August, 2026
85.6 °F
Climate (2021–2026)
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
61.6 °F