Lemont Weather Forecast

    • 51
    • 78

    Decreasing Clouds

    • 58
    • 82

    Partly Sunny

    • 68
    • 86

    Mostly Cloudy

    • 56
    • 80

    Rain Showers Likely

    • 54
    • 76

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

Today 7 Sep Southern Centre

Patchy fog in the morning. Mostly sunny. Highs in the mid 70s. Northeast Winds around 5 Mph.

Tonight 7 Sep Southern Centre

Mostly clear. Patchy fog. Lows in the lower 50s. North Winds around 5 Mph.

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Lemont Temperature Statistics

September Temperature

State College - University Park Airport (3.1 miles)

  • Lowest 3 September, 2026

    66.2 °F
  • Average September

    73.5 °F
  • Highest 1 September, 2026

    89.6 °F

Climate (2021–2026)

State College - University Park Airport (3.1 miles)

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  • Average Low 2021–2026

    42.9 °F
  • Average 2021–2026

    50.3 °F
  • Average High 2021–2026

    60.5 °F
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