Lemont Weather Forecast

    • 50
    • 66

    Rain Showers

    • 48
    • 60

    Rain Showers

    • 46
    • 62

    Slight Chance Rain Showers

    • 45
    • 61

    Mostly Cloudy

    • 45
    • 66

    Partly Sunny

    • 47
    • 70

    Partly Sunny

Today 21 Sep Southern Centre

Mostly cloudy. A chance of Showers in the afternoon. Highs in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 21 Sep Southern Centre

Showers likely in the Evening, then Showers after midnight. Lows around 50. Northeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

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Lemont Temperature Statistics

September Temperature

State College - University Park Airport (3.1 miles)

  • Lowest 15 September, 2026

    44.6 °F

  • Average September

    68.1 °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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