Mount Prospect Weather Forecast
- 38
- 70
Mostly Cloudy
- 48
- 70
Partly Sunny
- 32
- 51
Mostly Cloudy
- 32
- 45
Mostly Cloudy
- 37
- 55
Mostly Cloudy
- 42
- 50
Partly Sunny
- 31
- 64
Slight Chance Rain Showers
Today 20 Mar Northern Cook
Partly cloudy. North Winds around 10 Mph.
Tonight 20 Mar Northern Cook
Mostly cloudy. Lows in the upper 30s. Northeast Winds 5 to 10 Mph.
Mount Prospect Temperature Statistics
March Temperature
Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)
Lowest 16 March, 2026
17.7 °FAverage March
40.6 °FHighest 9 March, 2026
73.7 °F
Climate (2021–Present)
Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)
Average Low 2021–2026
44.1 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
61.6 °F