Mount Prospect Weather Forecast
- 58
- 72
Rain Showers
- 53
- 71
Partly Sunny
- 57
- 74
Partly Sunny
- 59
- 79
Chance Thunderstorms
- 58
- 77
Chance Rain Showers
- 61
- 79
Slight Chance Thunderstorms
Today 21 Jun Northern Cook
Showers. Highs in the lower 70s Inland, but only in the mid 60s near the lake. Temperature falling into the lower 60s in the afternoon. Southeast Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon. Chance of precipitation near 100 percent.
Tonight 21 Jun Northern Cook
Showers until early Morning, then a slight chance of Showers late. Near steady temperature in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation near 100 percent.
Mount Prospect Temperature Statistics
June Temperature
Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)
Lowest 3 June, 2026
48.7 °FAverage June
69.8 °FHighest 10 June, 2026
90.6 °F
Climate (2021–2026)
Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
52.8 °FAverage High 2021–2026
61.5 °F