Fort Massac State Park Weather Forecast

    • 32
    • 45

    Decreasing Clouds

    • 51
    • 55

    Chance Rain

    • 54
    • 63

    Chance Rain

    • 58
    • 68

    Mostly Cloudy

    • 57
    • 70

    Mostly Cloudy

    • 45
    • 67

    Partly Sunny

Today 21 Dec Massac

Mostly sunny. Highs in the mid 40s. Northeast Winds 5 to 10 Mph.

Tonight 21 Dec Massac

Partly cloudy. Lows in the lower 30s. East Winds around 5 Mph.

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Fort Massac State Park Temperature Statistics

December Temperature

Metropolis Municipal Airport (3.7 miles)

  • Lowest 14 December, 2025

    9.5 °F

  • Average December

    34.5 °F

  • Highest 17 December, 2025

    59 °F

Climate (2021–Present)

Metropolis Municipal Airport (3.7 miles)

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  • Average Low 2021–2025

    49 °F

  • Average 2021–2025

    59.2 °F

  • Average High 2021–2025

    69.6 °F
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