Round Knob Weather Forecast

    • 72
    • 89

    Rain Showers Likely

    • 69
    • 87

    Rain Showers

    • 68
    • 84

    Rain Showers Likely

    • 69
    • 85

    Chance Thunderstorms

    • 69
    • 87

    Slight Chance Thunderstorms

    • 71
    • 88

    Mostly Sunny

    • 71
    • 89

    Slight Chance Thunderstorms

Today 10 Jul Massac

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 40 percent.

Tonight 10 Jul Massac

Mostly cloudy with a chance of Thunderstorms. A chance of Showers this Evening, then Showers likely after midnight. Some Thunderstorms may produce heavy rainfall. Lows in the lower 70s. Southwest Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Knob Temperature Statistics

July Temperature

Metropolis Municipal Airport (4.3 miles)

  • Lowest 8 July, 2026

    69.1 °F

  • Average July

    78 °F

  • Highest 3 July, 2026

    94.1 °F

Climate (2021–2026)

Metropolis Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    70 °F
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