Unionville Weather Forecast

    • 66
    • 87

    Increasing Clouds

    • 68
    • 90

    Partly Sunny

    • 66
    • 88

    Mostly Sunny

    • 65
    • 88

    Sunny

    • 67
    • 90

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

Today 25 Aug Massac

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 25 Aug Massac

Partly cloudy. Near steady temperature in the lower 60s. Calm Winds.

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Unionville Temperature Statistics

August Temperature

Metropolis Municipal Airport (11.8 miles)

  • Lowest 5 August, 2026

    61.7 °F

  • Average August

    78.6 °F

  • Highest 16 August, 2026

    98.4 °F

Climate (2021–2026)

Metropolis Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    70.2 °F
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