Prospect Heights Weather Forecast
- 50
- 75
Thunderstorms
- 54
- 70
Mostly Sunny
- 61
- 80
Rain Showers Likely
- 48
- 74
Rain Showers Likely
- 45
- 63
Partly Sunny
- 48
- 64
Chance Rain Showers
Today 21 Apr Northern Cook
Mostly cloudy. Scattered Showers and Thunderstorms in the afternoon. Breezy. Highs in the mid 70s. Southwest Winds 10 to 15 Mph, increasing to 15 to 20 Mph in the afternoon. Gusts up to 30 Mph. Chance of precipitation 50 percent.
Tonight 21 Apr Northern Cook
Partly cloudy. Patchy fog late. Lows around 50. North Winds around 5 Mph.
Prospect Heights Temperature Statistics
April Temperature
Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)
Lowest 7 April, 2026
28.7 °FAverage April
53.1 °FHighest 12 April, 2026
81.6 °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