Lemont Weather Forecast

    • 19
    • 26

    Increasing Clouds

    • 23
    • 31

    Mostly Cloudy

    • 32
    • 43

    Partly Sunny

    • 33
    • 50

    Chance Rain

    • 27
    • 40

    Slight Chance Rain/Snow

    • 25
    • 37

    Slight Chance Snow

Today 7 Feb Southern Cook

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the mid 20s. North Winds 5 to 10 Mph, becoming northeast in the afternoon.

Tonight 7 Feb Southern Cook

Mostly cloudy. Near steady temperature around 18. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lemont Temperature Statistics

February Temperature

Lewis University Airport (6.8 miles)

  • Lowest 1 February, 2026

    4.6 °F

  • Average February

    19.8 °F

  • Highest 3 February, 2026

    30.2 °F

Climate (2021–Present)

Lewis University Airport (6.8 miles)

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

  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.7 °F
Get WillyWeather+ to remove ads