Pere Marquette State Park Weather Forecast

    • 60
    • 82

    Mostly Sunny

    • 47
    • 84

    Thunderstorms

    • 40
    • 58

    Chance Rain Showers

    • 43
    • 64

    Sunny

    • 52
    • 71

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

Today 16 Apr Jersey

Sunny. Highs in the lower 80s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Apr Jersey

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

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Pere Marquette State Park Temperature Statistics

April Temperature

St. Charles, St. Charles County Smartt Airport (5 miles)

  • Lowest 6 April, 2026

    38.6 °F

  • Average April

    60.8 °F

  • Highest 13 April, 2026

    86 °F

Climate (2021–Present)

St. Charles, St. Charles County Smartt Airport (5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.8 °F
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