Prospect Heights Weather Forecast

    • 25
    • 45

    Mostly Sunny

    • 40
    • 49

    Increasing Clouds

    • 48
    • 62

    Mostly Cloudy

    • 61
    • 73

    Chance Thunderstorms

    • 37
    • 74

    Rain Showers Likely

    • 33
    • 44

    Chance Rain/Snow

    • 37
    • 45

    Chance Rain Showers

Today 27 Mar Northern Cook

Partly cloudy. Highs in the mid 40s. North Winds 10 to 15 Mph.

Tonight 27 Mar Northern Cook

Mostly clear. Lows in the mid 20s. North Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Prospect Heights Temperature Statistics

March Temperature

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

  • Lowest 17 March, 2026

    13.6 °F

  • Average March

    41.5 °F

  • Highest 21 March, 2026

    76.6 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads