Mermet Weather Forecast

    • 74
    • 92

    Mostly Sunny

    • 77
    • 94

    Mostly Sunny

    • 76
    • 94

    Mostly Sunny

    • 75
    • 93

    Mostly Sunny

    • 76
    • 93

    Slight Chance Thunderstorms

    • 75
    • 94

    Slight Chance Thunderstorms

    • 74
    • 95

    Mostly Sunny

Today 22 Jul Massac

Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature around 90. Calm Winds. Chance of rain 20 percent. Highest heat index Readings heat index Readings up to 105.

Tonight 22 Jul Massac

Partly cloudy with a slight chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Lows in the mid 70s. Calm Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mermet Temperature Statistics

July Temperature

Metropolis Municipal Airport (8.1 miles)

  • Lowest 2 July, 2025

    66.2 °F

  • Average July

    79.3 °F

  • Highest 5 July, 2025

    92.7 °F

Climate (2020–Present)

Metropolis Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    49.2 °F

  • Average 2020–2025

    59.4 °F

  • Average High 2020–2025

    69.7 °F
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