Fort Massac State Park Weather Forecast

    • 53
    • 77

    Mostly Cloudy

    • 51
    • 75

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 52
    • 80

    Sunny

    • 54
    • 76

    Mostly Sunny

    • 64
    • 82

    Slight Chance Thunderstorms

    • 66
    • 88

    Slight Chance Thunderstorms

Today 10 May Massac

Partly sunny. Near steady temperature in the mid 70s. North Winds 5 to 10 Mph.

Tonight 10 May Massac

Mostly cloudy. Lows in the lower 50s. North Winds around 5 Mph.

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Fort Massac State Park Temperature Statistics

May Temperature

Metropolis Municipal Airport (3.7 miles)

  • Lowest 2 May, 2026

    41 °F

  • Average May

    58.5 °F

  • Highest 4 May, 2026

    81.3 °F

Climate (2021–Present)

Metropolis Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    59.1 °F

  • Average High 2021–2026

    69.5 °F
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