Lemont Weather Forecast

    • 51
    • 70

    Partly Sunny

    • 61
    • 80

    Partly Sunny

    • 59
    • 86

    Mostly Sunny

    • 55
    • 77

    Sunny

    • 55
    • 78

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

Today 25 Sep DuPage

Mostly sunny. Highs in the upper 60s. West Winds 10 to 20 Mph.

Tonight 25 Sep DuPage

Partly cloudy in the evening then clearing. Lows in the lower 50s. Southwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lemont Temperature Statistics

September Temperature

Lewis University Airport (6.8 miles)

  • Lowest 23 September, 2021

    48.6 °F
  • Average September

    69.3 °F
  • Highest 19 September, 2021

    90.5 °F

Climate (2010–Present)

Lewis University Airport (6.8 miles)

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  • Average Low 2010–Present

    42.8 °F
  • Average 2010–Present

    51.7 °F
  • Average High 2010–Present

    60.7 °F
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