Prospect Heights Weather Forecast
- 50
- 64
Decreasing Clouds
- 60
- 75
Chance Rain Showers
- 36
- 75
Rain Showers Likely
- 32
- 43
Chance Rain/Snow
- 36
- 43
Chance Rain Showers
- 43
- 55
Chance Rain Showers
Today 29 Mar Northern Cook
Mostly cloudy. Highs in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 29 Mar Northern Cook
Partly cloudy. Lows in the upper 40s. Southwest Winds around 10 Mph.
Prospect Heights Temperature Statistics
March Temperature
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Lowest 17 March, 2026
13.6 °FAverage March
42.1 °FHighest 21 March, 2026
76.6 °F
Climate (2021–Present)
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Average Low 2021–2026
44.1 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
61.6 °F