Lemont Weather Forecast

    • 49
    • 62

    Rain Showers

    • 44
    • 63

    Partly Sunny

    • 51
    • 64

    Chance Rain Showers

    • 55
    • 66

    Rain Showers

    • 53
    • 65

    Rain Showers Likely

    • 51
    • 63

    Chance Rain Showers

Today 21 May DuPage

Showers and isolated Thunderstorms in the Morning, then Showers and scattered Thunderstorms in the afternoon. Highs around 60. Then Temperatures falling into the mid 50s by evening. Northeast Winds 10 to 15 Mph. Chance of precipitation 80 percent.

Tonight 21 May DuPage

Cloudy with numerous Showers in the Evening, then partly cloudy with scattered Showers after midnight. Lows in the upper 40s. North Winds 10 to 15 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lemont Temperature Statistics

May Temperature

Lewis University Airport (6.8 miles)

  • Lowest 5 May, 2022

    42.1 °F
  • Average May

    62.3 °F
  • Highest 11 May, 2022

    91.2 °F

Climate (2010–Present)

Lewis University Airport (6.8 miles)

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  • Average Low 2010–Present

    42.1 °F
  • Average 2010–Present

    50.8 °F
  • Average High 2010–Present

    59.7 °F
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