Prospect Heights Weather Forecast
- 33
- 42
Chance Rain Showers
- 39
- 42
Rain Showers
- 40
- 46
Rain Showers Likely
- 53
- 62
Rain Showers
- 38
- 63
Slight Chance Rain Showers
- 43
- 61
Partly Sunny
Today 3 Mar Northern Cook
Mostly cloudy. Isolated rain Showers early in the morning. Highs in the lower 40s. East Winds around 5 Mph. Chance of precipitation 20 percent.
Tonight 3 Mar Northern Cook
Mostly cloudy. Lows in the lower 30s. Northeast Winds around 5 Mph.
Prospect Heights Temperature Statistics
March Temperature
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Lowest 1 March, 2026
24.1 °FAverage March
26.8 °FHighest 1 March, 2026
30 °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