Old School Forest Preserve Weather Forecast

    • 47
    • 57

    Mostly Cloudy

    • 51
    • 61

    Rain Showers

    • 54
    • 66

    Slight Chance Thunderstorms

    • 55
    • 77

    Partly Sunny

    • 57
    • 73

    Partly Sunny

    • 60
    • 73

    Mostly Cloudy

Today 21 May Lake

Mostly cloudy. A slight chance of Sprinkles late in the morning. Highs in the upper 50s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 21 May Lake

Mostly cloudy. Lows in the mid 40s. Northeast Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Old School Forest Preserve Temperature Statistics

May Temperature

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    55.8 °F

  • Highest 17 May, 2026

    85.6 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (9.9 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