Du Quoin Lake Weather Forecast

    • 64
    • 93

    Becoming Sunny

    • 64
    • 91

    Mostly Sunny

    • 72
    • 96

    Mostly Sunny

    • 72
    • 100

    Hot

    • 65
    • 89

    Slight Chance Thunderstorms

    • 64
    • 90

    Slight Chance Rain Showers

Today 6 Sep Perry

Sunny. Highs in the lower 90s. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Perry

Mostly clear. Lows in the lower 70s. Northeast Winds around 5 Mph.

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Du Quoin Lake Temperature Statistics

September Temperature

Southern Illinois Airport (19.9 miles)

  • Lowest 1 September, 2026

    70.6 °F

  • Average September

    89.2 °F

  • Highest 1 September, 2026

    98.7 °F

Climate (2021–2026)

Southern Illinois Airport (19.9 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    69.4 °F
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