Union County State Conservation Area Weather Forecast

    • 65
    • 86

    Mostly Sunny

    • 64
    • 90

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 54
    • 78

    Partly Sunny

    • 56
    • 80

    Mostly Sunny

Today 22 Aug Union

Patchy fog in the morning. Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 22 Aug Union

Mostly clear. Lows in the mid 60s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Union County State Conservation Area Temperature Statistics

August Temperature

Cape Girardeau, Cape Girardeau Regional Airport (15.5 miles)

  • Lowest 3 August, 2025

    56.6 °F

  • Average August

    79.5 °F

  • Highest 19 August, 2025

    98.1 °F

Climate (2020–Present)

Cape Girardeau, Cape Girardeau Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    48.7 °F

  • Average 2020–2025

    59.1 °F

  • Average High 2020–2025

    69.9 °F
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