Prospect Heights Weather Forecast
- 63
- 75
Decreasing Clouds
- 75
- 84
Partly Sunny
- 78
- 94
Partly Sunny
- 78
- 98
Hot
- 77
- 98
Hot
- 76
- 98
Slight Chance Thunderstorms
Today 27 Jun Northern Cook
Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the mid 70s Inland, but only in the upper 60s near the lake. Northeast Winds around 10 Mph.
Tonight 27 Jun Northern Cook
Partly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.
Prospect Heights Temperature Statistics
June Temperature
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Lowest 3 June, 2026
48.7 °FAverage June
68.8 °FHighest 10 June, 2026
90.6 °F
Climate (2021–2026)
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
52.8 °FAverage High 2021–2026
61.5 °F